source: code/trunk/vendor/modernc.org/libc/libc_openbsd.go@ 823

// Copyright 2020 The Libc Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package libc // import "modernc.org/libc"

import (
        "fmt"
        "io"
        "os"
        "os/exec"
        "path/filepath"
        "runtime"
        "runtime/debug"
        "strings"
        "syscall"
        gotime "time"
        "unsafe"

        guuid "github.com/google/uuid"
        "golang.org/x/sys/unix"
        "modernc.org/libc/errno"
        "modernc.org/libc/fcntl"
        "modernc.org/libc/fts"
        gonetdb "modernc.org/libc/honnef.co/go/netdb"
        "modernc.org/libc/langinfo"
        "modernc.org/libc/limits"
        "modernc.org/libc/netdb"
        "modernc.org/libc/netinet/in"
        "modernc.org/libc/stdio"
        "modernc.org/libc/sys/socket"
        "modernc.org/libc/sys/stat"
        "modernc.org/libc/sys/types"
        "modernc.org/libc/termios"
        "modernc.org/libc/time"
        "modernc.org/libc/unistd"
        "modernc.org/libc/uuid"
)

var (
        in6_addr_any in.In6_addr
)

// // Keep these outside of the var block otherwise go generate will miss them.
var X__stderrp = Xstdout
var X__stdinp = Xstdin
var X__stdoutp = Xstdout
var X__sF [3]stdio.FILE
var X_tolower_tab_ = Xmalloc(nil, 2*65537)
var X_toupper_tab_ = Xmalloc(nil, 2*65537)

func init() {
        for c := rune(0); c < 0xffff; c++ {
                y := c
                s := strings.ToLower(string(c))
                a := []rune(s)
                if len(a) != 0 {
                        y = a[0]
                }
                (*[65536]uint16)(unsafe.Pointer(X_tolower_tab_))[c+1] = uint16(y)
                y = c
                s = strings.ToUpper(string(c))
                a = []rune(s)
                if len(a) != 0 {
                        y = a[0]
                }
                (*[65536]uint16)(unsafe.Pointer(X_toupper_tab_))[c+1] = uint16(y)
        }
}

// include/stdio.h:486:extern int __isthreaded;
var X__isthreaded int32

// lib/libc/locale/mblocal.h:62:        int __mb_sb_limit;
var X__mb_sb_limit int32 = 128 // UTF-8

// include/runetype.h:94:extern _Thread_local const _RuneLocale *_ThreadRuneLocale;
var X_ThreadRuneLocale uintptr //TODO initialize and implement _Thread_local semantics.

// include/xlocale/_ctype.h:54:_RuneLocale      *__runes_for_locale(locale_t, int*);
func X__runes_for_locale(t *TLS, l locale_t, p uintptr) uintptr {
        panic(todo(""))
}

type file uintptr

func (f file) fd() int32      { return int32((*stdio.FILE)(unsafe.Pointer(f)).F_file) }
func (f file) setFd(fd int32) { (*stdio.FILE)(unsafe.Pointer(f)).F_file = int16(fd) }

func (f file) err() bool {
        return (*stdio.FILE)(unsafe.Pointer(f)).F_flags&1 != 0
}

func (f file) setErr() {
        (*stdio.FILE)(unsafe.Pointer(f)).F_flags |= 1
}

func (f file) close(t *TLS) int32 {
        fd := f.fd()
        r := Xclose(t, fd)
        switch fd {
        case unistd.STDIN_FILENO, unistd.STDOUT_FILENO, unistd.STDERR_FILENO:
                X__sF[fd] = stdio.FILE{}
        default:
                Xfree(t, uintptr(f))
        }
        if r < 0 {
                return stdio.EOF
        }

        return 0
}

func newFile(t *TLS, fd int32) uintptr {
        var p uintptr
        switch fd {
        case unistd.STDIN_FILENO:
                p = uintptr(unsafe.Pointer(&X__sF[0]))
        case unistd.STDOUT_FILENO:
                p = uintptr(unsafe.Pointer(&X__sF[1]))
        case unistd.STDERR_FILENO:
                p = uintptr(unsafe.Pointer(&X__sF[2]))
        default:
                if p = Xcalloc(t, 1, types.Size_t(unsafe.Sizeof(stdio.FILE{}))); p == 0 {
                        return 0
                }
        }
        file(p).setFd(fd)
        return p
}

func fwrite(fd int32, b []byte) (int, error) {
        if fd == unistd.STDOUT_FILENO {
                return write(b)
        }

        // if dmesgs {
        //      dmesg("%v: fd %v: %s", origin(1), fd, b)
        // }
        return unix.Write(int(fd), b) //TODO use Xwrite
}

// unsigned long        ___runetype(__ct_rune_t) __pure;
func X___runetype(t *TLS, x int32) ulong {
        panic(todo(""))
}

// int fprintf(FILE *stream, const char *format, ...);
func Xfprintf(t *TLS, stream, format, args uintptr) int32 {
        n, _ := fwrite(int32((*stdio.FILE)(unsafe.Pointer(stream)).F_file), printf(format, args))
        return int32(n)
}

// int usleep(useconds_t usec);
func Xusleep(t *TLS, usec uint32) int32 {
        gotime.Sleep(gotime.Microsecond * gotime.Duration(usec))
        return 0
}

// int getrusage(int who, struct rusage *usage);
func Xgetrusage(t *TLS, who int32, usage uintptr) int32 {
        if _, _, err := unix.Syscall(unix.SYS_GETRUSAGE, uintptr(who), usage, 0); err != 0 {
                t.setErrno(err)
                return -1
        }

        return 0
}

// int fgetc(FILE *stream);
func Xfgetc(t *TLS, stream uintptr) int32 {
        fd := int((*stdio.FILE)(unsafe.Pointer(stream)).F_file)
        var buf [1]byte
        if n, _ := unix.Read(fd, buf[:]); n != 0 {
                return int32(buf[0])
        }

        return stdio.EOF
}

// int lstat(const char *pathname, struct stat *statbuf);
func Xlstat(t *TLS, pathname, statbuf uintptr) int32 {
        return Xlstat64(t, pathname, statbuf)
}

// int stat(const char *pathname, struct stat *statbuf);
func Xstat(t *TLS, pathname, statbuf uintptr) int32 {
        return Xstat64(t, pathname, statbuf)
}

// int chdir(const char *path);
func Xchdir(t *TLS, path uintptr) int32 {
        if _, _, err := unix.Syscall(unix.SYS_CHDIR, path, 0, 0); err != 0 {
                t.setErrno(err)
                return -1
        }

        // if dmesgs {
        //      dmesg("%v: %q: ok", origin(1), GoString(path))
        // }
        return 0
}

var localtime time.Tm

// struct tm *localtime(const time_t *timep);
func Xlocaltime(_ *TLS, timep uintptr) uintptr {
        loc := gotime.Local
        if r := getenv(Environ(), "TZ"); r != 0 {
                zone, off := parseZone(GoString(r))
                loc = gotime.FixedZone(zone, -off)
        }
        ut := *(*time.Time_t)(unsafe.Pointer(timep))
        t := gotime.Unix(int64(ut), 0).In(loc)
        localtime.Ftm_sec = int32(t.Second())
        localtime.Ftm_min = int32(t.Minute())
        localtime.Ftm_hour = int32(t.Hour())
        localtime.Ftm_mday = int32(t.Day())
        localtime.Ftm_mon = int32(t.Month() - 1)
        localtime.Ftm_year = int32(t.Year() - 1900)
        localtime.Ftm_wday = int32(t.Weekday())
        localtime.Ftm_yday = int32(t.YearDay())
        localtime.Ftm_isdst = Bool32(isTimeDST(t))
        return uintptr(unsafe.Pointer(&localtime))
}

// struct tm *localtime_r(const time_t *timep, struct tm *result);
func Xlocaltime_r(_ *TLS, timep, result uintptr) uintptr {
        loc := gotime.Local
        if r := getenv(Environ(), "TZ"); r != 0 {
                zone, off := parseZone(GoString(r))
                loc = gotime.FixedZone(zone, -off)
        }
        ut := *(*time.Time_t)(unsafe.Pointer(timep))
        t := gotime.Unix(int64(ut), 0).In(loc)
        (*time.Tm)(unsafe.Pointer(result)).Ftm_sec = int32(t.Second())
        (*time.Tm)(unsafe.Pointer(result)).Ftm_min = int32(t.Minute())
        (*time.Tm)(unsafe.Pointer(result)).Ftm_hour = int32(t.Hour())
        (*time.Tm)(unsafe.Pointer(result)).Ftm_mday = int32(t.Day())
        (*time.Tm)(unsafe.Pointer(result)).Ftm_mon = int32(t.Month() - 1)
        (*time.Tm)(unsafe.Pointer(result)).Ftm_year = int32(t.Year() - 1900)
        (*time.Tm)(unsafe.Pointer(result)).Ftm_wday = int32(t.Weekday())
        (*time.Tm)(unsafe.Pointer(result)).Ftm_yday = int32(t.YearDay())
        (*time.Tm)(unsafe.Pointer(result)).Ftm_isdst = Bool32(isTimeDST(t))
        return result
}

// int open(const char *pathname, int flags, ...);
func Xopen(t *TLS, pathname uintptr, flags int32, args uintptr) int32 {
        return Xopen64(t, pathname, flags, args)
}

// int open(const char *pathname, int flags, ...);
func Xopen64(t *TLS, pathname uintptr, flags int32, args uintptr) int32 {
        var mode types.Mode_t
        if args != 0 {
                mode = (types.Mode_t)(VaUint32(&args))
        }
        fdcwd := fcntl.AT_FDCWD
        n, _, err := unix.Syscall6(unix.SYS_OPENAT, uintptr(fdcwd), pathname, uintptr(flags), uintptr(mode), 0, 0)
        if err != 0 {
                // if dmesgs {
                //      dmesg("%v: %q %#x: %v", origin(1), GoString(pathname), flags, err)
                // }
                t.setErrno(err)
                return -1
        }

        // if dmesgs {
        //      dmesg("%v: %q flags %#x mode %#o: fd %v", origin(1), GoString(pathname), flags, mode, n)
        // }
        return int32(n)
}

// off_t lseek(int fd, off_t offset, int whence);
func Xlseek(t *TLS, fd int32, offset types.Off_t, whence int32) types.Off_t {
        return types.Off_t(Xlseek64(t, fd, offset, whence))
}

func whenceStr(whence int32) string {
        panic(todo(""))
}

var fsyncStatbuf stat.Stat

// int fsync(int fd);
func Xfsync(t *TLS, fd int32) int32 {
        if noFsync {
                // Simulate -DSQLITE_NO_SYNC for sqlite3 testfixture, see function full_sync in sqlite3.c
                return Xfstat(t, fd, uintptr(unsafe.Pointer(&fsyncStatbuf)))
        }

        if _, _, err := unix.Syscall(unix.SYS_FSYNC, uintptr(fd), 0, 0); err != 0 {
                t.setErrno(err)
                return -1
        }

        // if dmesgs {
        //      dmesg("%v: %d: ok", origin(1), fd)
        // }
        return 0
}

// long sysconf(int name);
func Xsysconf(t *TLS, name int32) long {
        switch name {
        case unistd.X_SC_PAGESIZE:
                return long(unix.Getpagesize())
        case unistd.X_SC_GETPW_R_SIZE_MAX:
                return -1
        case unistd.X_SC_GETGR_R_SIZE_MAX:
                return -1
        case unistd.X_SC_NPROCESSORS_ONLN:
                return long(runtime.NumCPU())
        }

        panic(todo("", name))
}

// int close(int fd);
func Xclose(t *TLS, fd int32) int32 {
        if _, _, err := unix.Syscall(unix.SYS_CLOSE, uintptr(fd), 0, 0); err != 0 {
                t.setErrno(err)
                return -1
        }

        // if dmesgs {
        //      dmesg("%v: %d: ok", origin(1), fd)
        // }
        return 0
}

// char *getcwd(char *buf, size_t size);
func Xgetcwd(t *TLS, buf uintptr, size types.Size_t) uintptr {
        if _, err := unix.Getcwd((*RawMem)(unsafe.Pointer(buf))[:size:size]); err != nil {
                if dmesgs {
                        dmesg("%v: %v FAIL", origin(1), err)
                }
                t.setErrno(err)
                return 0
        }

        if dmesgs {
                dmesg("%v: ok", origin(1))
        }
        return buf
}

// int fstat(int fd, struct stat *statbuf);
func Xfstat(t *TLS, fd int32, statbuf uintptr) int32 {
        return Xfstat64(t, fd, statbuf)
}

// int ftruncate(int fd, off_t length);
func Xftruncate(t *TLS, fd int32, length types.Off_t) int32 {
        if err := unix.Ftruncate(int(fd), int64(length)); err != nil {
                if dmesgs {
                        dmesg("%v: fd %d: %v FAIL", origin(1), fd, err)
                }
                t.setErrno(err)
                return -1
        }

        if dmesgs {
                dmesg("%v: %d %#x: ok", origin(1), fd, length)
        }
        return 0
}

// int fcntl(int fd, int cmd, ... /* arg */ );
func Xfcntl(t *TLS, fd, cmd int32, args uintptr) int32 {
        return Xfcntl64(t, fd, cmd, args)
}

// ssize_t read(int fd, void *buf, size_t count);
func Xread(t *TLS, fd int32, buf uintptr, count types.Size_t) types.Ssize_t {
        n, _, err := unix.Syscall(unix.SYS_READ, uintptr(fd), buf, uintptr(count))
        if err != 0 {
                t.setErrno(err)
                return -1
        }

        // if dmesgs {
        //      // dmesg("%v: %d %#x: %#x\n%s", origin(1), fd, count, n, hex.Dump(GoBytes(buf, int(n))))
        //      dmesg("%v: %d %#x: %#x", origin(1), fd, count, n)
        // }
        return types.Ssize_t(n)
}

// ssize_t write(int fd, const void *buf, size_t count);
func Xwrite(t *TLS, fd int32, buf uintptr, count types.Size_t) types.Ssize_t {
        const retry = 5
        var err syscall.Errno
        for i := 0; i < retry; i++ {
                var n uintptr
                switch n, _, err = unix.Syscall(unix.SYS_WRITE, uintptr(fd), buf, uintptr(count)); err {
                case 0:
                        // if dmesgs {
                        //      // dmesg("%v: %d %#x: %#x\n%s", origin(1), fd, count, n, hex.Dump(GoBytes(buf, int(n))))
                        //      dmesg("%v: %d %#x: %#x", origin(1), fd, count, n)
                        // }
                        return types.Ssize_t(n)
                case errno.EAGAIN:
                        // nop
                }
        }

        // if dmesgs {
        //      dmesg("%v: fd %v, count %#x: %v", origin(1), fd, count, err)
        // }
        t.setErrno(err)
        return -1
}

// int fchmod(int fd, mode_t mode);
func Xfchmod(t *TLS, fd int32, mode types.Mode_t) int32 {
        if _, _, err := unix.Syscall(unix.SYS_FCHMOD, uintptr(fd), uintptr(mode), 0); err != 0 {
                t.setErrno(err)
                return -1
        }

        // if dmesgs {
        //      dmesg("%v: %d %#o: ok", origin(1), fd, mode)
        // }
        return 0
}

// int fchown(int fd, uid_t owner, gid_t group);
func Xfchown(t *TLS, fd int32, owner types.Uid_t, group types.Gid_t) int32 {
        if _, _, err := unix.Syscall(unix.SYS_FCHOWN, uintptr(fd), uintptr(owner), uintptr(group)); err != 0 {
                t.setErrno(err)
                return -1
        }

        return 0
}

// uid_t geteuid(void);
func Xgeteuid(t *TLS) types.Uid_t {
        n, _, _ := unix.Syscall(unix.SYS_GETEUID, 0, 0, 0)
        return types.Uid_t(n)
}

// int munmap(void *addr, size_t length);
func Xmunmap(t *TLS, addr uintptr, length types.Size_t) int32 {
        if _, _, err := unix.Syscall(unix.SYS_MUNMAP, addr, uintptr(length), 0); err != 0 {
                t.setErrno(err)
                return -1
        }

        return 0
}

// int gettimeofday(struct timeval *tv, struct timezone *tz);
func Xgettimeofday(t *TLS, tv, tz uintptr) int32 {
        if tz != 0 {
                panic(todo(""))
        }

        var tvs unix.Timeval
        err := unix.Gettimeofday(&tvs)
        if err != nil {
                t.setErrno(err)
                return -1
        }

        *(*unix.Timeval)(unsafe.Pointer(tv)) = tvs
        return 0
}

// int getsockopt(int sockfd, int level, int optname, void *optval, socklen_t *optlen);
func Xgetsockopt(t *TLS, sockfd, level, optname int32, optval, optlen uintptr) int32 {
        if _, _, err := unix.Syscall6(unix.SYS_GETSOCKOPT, uintptr(sockfd), uintptr(level), uintptr(optname), optval, optlen, 0); err != 0 {
                t.setErrno(err)
                return -1
        }

        return 0
}

// int setsockopt(int sockfd, int level, int optname, const void *optval, socklen_t optlen);
func Xsetsockopt(t *TLS, sockfd, level, optname int32, optval uintptr, optlen socket.Socklen_t) int32 {
        if _, _, err := unix.Syscall6(unix.SYS_SETSOCKOPT, uintptr(sockfd), uintptr(level), uintptr(optname), optval, uintptr(optlen), 0); err != 0 {
                t.setErrno(err)
                return -1
        }

        return 0
}

// int ioctl(int fd, unsigned long request, ...);
func Xioctl(t *TLS, fd int32, request ulong, va uintptr) int32 {
        var argp uintptr
        if va != 0 {
                argp = VaUintptr(&va)
        }
        n, _, err := unix.Syscall(unix.SYS_IOCTL, uintptr(fd), uintptr(request), argp)
        if err != 0 {
                t.setErrno(err)
                return -1
        }

        return int32(n)
}

// int getsockname(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
func Xgetsockname(t *TLS, sockfd int32, addr, addrlen uintptr) int32 {
        if _, _, err := unix.Syscall(unix.SYS_GETSOCKNAME, uintptr(sockfd), addr, addrlen); err != 0 {
                // if dmesgs {
                //      dmesg("%v: fd %v: %v", origin(1), sockfd, err)
                // }
                t.setErrno(err)
                return -1
        }

        return 0
}

// int select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);
func Xselect(t *TLS, nfds int32, readfds, writefds, exceptfds, timeout uintptr) int32 {
        n, err := unix.Select(
                int(nfds),
                (*unix.FdSet)(unsafe.Pointer(readfds)),
                (*unix.FdSet)(unsafe.Pointer(writefds)),
                (*unix.FdSet)(unsafe.Pointer(exceptfds)),
                (*unix.Timeval)(unsafe.Pointer(timeout)),
        )
        if err != nil {
                t.setErrno(err)
                return -1
        }

        return int32(n)
}

// int mkfifo(const char *pathname, mode_t mode);
func Xmkfifo(t *TLS, pathname uintptr, mode types.Mode_t) int32 {
        panic(todo(""))
}

// mode_t umask(mode_t mask);
func Xumask(t *TLS, mask types.Mode_t) types.Mode_t {
        n, _, _ := unix.Syscall(unix.SYS_UMASK, uintptr(mask), 0, 0)
        return types.Mode_t(n)
}

// int execvp(const char *file, char *const argv[]);
func Xexecvp(t *TLS, file, argv uintptr) int32 {
        if _, _, err := unix.Syscall(unix.SYS_EXECVE, file, argv, Environ()); err != 0 {
                t.setErrno(err)
                return -1
        }

        return 0
}

// pid_t waitpid(pid_t pid, int *wstatus, int options);
func Xwaitpid(t *TLS, pid types.Pid_t, wstatus uintptr, optname int32) types.Pid_t {
        n, _, err := unix.Syscall6(unix.SYS_WAIT4, uintptr(pid), wstatus, uintptr(optname), 0, 0, 0)
        if err != 0 {
                t.setErrno(err)
                return -1
        }

        return types.Pid_t(n)
}

// int uname(struct utsname *buf);
func Xuname(t *TLS, buf uintptr) int32 {
        if err := unix.Uname((*unix.Utsname)(unsafe.Pointer(buf))); err != nil {
                if dmesgs {
                        dmesg("%v: %v FAIL", origin(1), err)
                }
                t.setErrno(err)
                return -1
        }

        if dmesgs {
                dmesg("%v: ok", origin(1))
        }
        return 0
}

// ssize_t recv(int sockfd, void *buf, size_t len, int flags);
func Xrecv(t *TLS, sockfd int32, buf uintptr, len types.Size_t, flags int32) types.Ssize_t {
        n, _, err := unix.Syscall6(unix.SYS_RECVFROM, uintptr(sockfd), buf, uintptr(len), uintptr(flags), 0, 0)
        if err != 0 {
                t.setErrno(err)
                return -1
        }

        return types.Ssize_t(n)
}

// ssize_t send(int sockfd, const void *buf, size_t len, int flags);
func Xsend(t *TLS, sockfd int32, buf uintptr, len types.Size_t, flags int32) types.Ssize_t {
        n, _, err := unix.Syscall6(unix.SYS_SENDTO, uintptr(sockfd), buf, uintptr(len), uintptr(flags), 0, 0)
        if err != 0 {
                t.setErrno(err)
                return -1
        }

        return types.Ssize_t(n)
}

// int shutdown(int sockfd, int how);
func Xshutdown(t *TLS, sockfd, how int32) int32 {
        if _, _, err := unix.Syscall(unix.SYS_SHUTDOWN, uintptr(sockfd), uintptr(how), 0); err != 0 {
                t.setErrno(err)
                return -1
        }

        return 0
}

// int getpeername(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
func Xgetpeername(t *TLS, sockfd int32, addr uintptr, addrlen uintptr) int32 {
        if _, _, err := unix.Syscall(unix.SYS_GETPEERNAME, uintptr(sockfd), addr, uintptr(addrlen)); err != 0 {
                t.setErrno(err)
                return -1
        }

        return 0
}

// int socket(int domain, int type, int protocol);
func Xsocket(t *TLS, domain, type1, protocol int32) int32 {
        n, _, err := unix.Syscall(unix.SYS_SOCKET, uintptr(domain), uintptr(type1), uintptr(protocol))
        if err != 0 {
                t.setErrno(err)
                return -1
        }

        return int32(n)
}

// int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
func Xbind(t *TLS, sockfd int32, addr uintptr, addrlen uint32) int32 {
        n, _, err := unix.Syscall(unix.SYS_BIND, uintptr(sockfd), addr, uintptr(addrlen))
        if err != 0 {
                t.setErrno(err)
                return -1
        }

        return int32(n)
}

// int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
func Xconnect(t *TLS, sockfd int32, addr uintptr, addrlen uint32) int32 {
        if _, _, err := unix.Syscall(unix.SYS_CONNECT, uintptr(sockfd), addr, uintptr(addrlen)); err != 0 {
                t.setErrno(err)
                return -1
        }

        return 0
}

// int listen(int sockfd, int backlog);
func Xlisten(t *TLS, sockfd, backlog int32) int32 {
        if _, _, err := unix.Syscall(unix.SYS_LISTEN, uintptr(sockfd), uintptr(backlog), 0); err != 0 {
                t.setErrno(err)
                return -1
        }

        return 0
}

// int accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
func Xaccept(t *TLS, sockfd int32, addr uintptr, addrlen uintptr) int32 {
        panic(todo(""))
        // n, _, err := unix.Syscall6(unix.SYS_ACCEPT4, uintptr(sockfd), addr, uintptr(addrlen), 0, 0, 0)
        // if err != 0 {
        //      t.setErrno(err)
        //      return -1
        // }

        // return int32(n)
}

// int getrlimit(int resource, struct rlimit *rlim);
func Xgetrlimit(t *TLS, resource int32, rlim uintptr) int32 {
        return Xgetrlimit64(t, resource, rlim)
}

// int setrlimit(int resource, const struct rlimit *rlim);
func Xsetrlimit(t *TLS, resource int32, rlim uintptr) int32 {
        return Xsetrlimit64(t, resource, rlim)
}

// int setrlimit(int resource, const struct rlimit *rlim);
func Xsetrlimit64(t *TLS, resource int32, rlim uintptr) int32 {
        if _, _, err := unix.Syscall(unix.SYS_SETRLIMIT, uintptr(resource), uintptr(rlim), 0); err != 0 {
                t.setErrno(err)
                return -1
        }

        return 0
}

// uid_t getuid(void);
func Xgetuid(t *TLS) types.Uid_t {
        return types.Uid_t(os.Getuid())
}

// pid_t getpid(void);
func Xgetpid(t *TLS) int32 {
        return int32(os.Getpid())
}

// int system(const char *command);
func Xsystem(t *TLS, command uintptr) int32 {
        s := GoString(command)
        if command == 0 {
                panic(todo(""))
        }

        cmd := exec.Command("sh", "-c", s)
        cmd.Stdout = os.Stdout
        cmd.Stderr = os.Stderr
        err := cmd.Run()
        if err != nil {
                ps := err.(*exec.ExitError)
                return int32(ps.ExitCode())
        }

        return 0
}

// int setvbuf(FILE *stream, char *buf, int mode, size_t size);
func Xsetvbuf(t *TLS, stream, buf uintptr, mode int32, size types.Size_t) int32 {
        return 0 //TODO
}

// int raise(int sig);
func Xraise(t *TLS, sig int32) int32 {
        panic(todo(""))
}

// int backtrace(void **buffer, int size);
func Xbacktrace(t *TLS, buf uintptr, size int32) int32 {
        panic(todo(""))
}

// void backtrace_symbols_fd(void *const *buffer, int size, int fd);
func Xbacktrace_symbols_fd(t *TLS, buffer uintptr, size, fd int32) {
        panic(todo(""))
}

// int fileno(FILE *stream);
func Xfileno(t *TLS, stream uintptr) int32 {
        panic(todo(""))
}

func newCFtsent(t *TLS, info int, path string, stat *unix.Stat_t, err syscall.Errno) uintptr {
        p := Xcalloc(t, 1, types.Size_t(unsafe.Sizeof(fts.FTSENT{})))
        if p == 0 {
                panic("OOM")
        }

        *(*fts.FTSENT)(unsafe.Pointer(p)) = *newFtsent(t, info, path, stat, err)
        return p
}

func ftsentClose(t *TLS, p uintptr) {
        Xfree(t, (*fts.FTSENT)(unsafe.Pointer(p)).Ffts_path)
        Xfree(t, (*fts.FTSENT)(unsafe.Pointer(p)).Ffts_statp)
}

type ftstream struct {
        s []uintptr
        x int
}

func (f *ftstream) close(t *TLS) {
        for _, p := range f.s {
                ftsentClose(t, p)
                Xfree(t, p)
        }
        *f = ftstream{}
}

// FTS *fts_open(char * const *path_argv, int options, int (*compar)(const FTSENT **, const FTSENT **));
func Xfts_open(t *TLS, path_argv uintptr, options int32, compar uintptr) uintptr {
        return Xfts64_open(t, path_argv, options, compar)
}

// FTS *fts_open(char * const *path_argv, int options, int (*compar)(const FTSENT **, const FTSENT **));
func Xfts64_open(t *TLS, path_argv uintptr, options int32, compar uintptr) uintptr {
        f := &ftstream{}

        var walk func(string)
        walk = func(path string) {
                var fi os.FileInfo
                var err error
                switch {
                case options&fts.FTS_LOGICAL != 0:
                        fi, err = os.Stat(path)
                case options&fts.FTS_PHYSICAL != 0:
                        fi, err = os.Lstat(path)
                default:
                        panic(todo(""))
                }

                if err != nil {
                        return
                }

                var statp *unix.Stat_t
                if options&fts.FTS_NOSTAT == 0 {
                        var stat unix.Stat_t
                        switch {
                        case options&fts.FTS_LOGICAL != 0:
                                if err := unix.Stat(path, &stat); err != nil {
                                        panic(todo(""))
                                }
                        case options&fts.FTS_PHYSICAL != 0:
                                if err := unix.Lstat(path, &stat); err != nil {
                                        panic(todo(""))
                                }
                        default:
                                panic(todo(""))
                        }

                        statp = &stat
                }

        out:
                switch {
                case fi.IsDir():
                        f.s = append(f.s, newCFtsent(t, fts.FTS_D, path, statp, 0))
                        g, err := os.Open(path)
                        switch x := err.(type) {
                        case nil:
                                // ok
                        case *os.PathError:
                                f.s = append(f.s, newCFtsent(t, fts.FTS_DNR, path, statp, errno.EACCES))
                                break out
                        default:
                                panic(todo("%q: %v %T", path, x, x))
                        }

                        names, err := g.Readdirnames(-1)
                        g.Close()
                        if err != nil {
                                panic(todo(""))
                        }

                        for _, name := range names {
                                walk(path + "/" + name)
                                if f == nil {
                                        break out
                                }
                        }

                        f.s = append(f.s, newCFtsent(t, fts.FTS_DP, path, statp, 0))
                default:
                        info := fts.FTS_F
                        if fi.Mode()&os.ModeSymlink != 0 {
                                info = fts.FTS_SL
                        }
                        switch {
                        case statp != nil:
                                f.s = append(f.s, newCFtsent(t, info, path, statp, 0))
                        case options&fts.FTS_NOSTAT != 0:
                                f.s = append(f.s, newCFtsent(t, fts.FTS_NSOK, path, nil, 0))
                        default:
                                panic(todo(""))
                        }
                }
        }

        for {
                p := *(*uintptr)(unsafe.Pointer(path_argv))
                if p == 0 {
                        if f == nil {
                                return 0
                        }

                        if compar != 0 {
                                panic(todo(""))
                        }

                        return addObject(f)
                }

                walk(GoString(p))
                path_argv += unsafe.Sizeof(uintptr(0))
        }
}

// FTSENT *fts_read(FTS *ftsp);
func Xfts_read(t *TLS, ftsp uintptr) uintptr {
        return Xfts64_read(t, ftsp)
}

// FTSENT *fts_read(FTS *ftsp);
func Xfts64_read(t *TLS, ftsp uintptr) uintptr {
        f := getObject(ftsp).(*ftstream)
        if f.x == len(f.s) {
                t.setErrno(0)
                return 0
        }

        r := f.s[f.x]
        if e := (*fts.FTSENT)(unsafe.Pointer(r)).Ffts_errno; e != 0 {
                t.setErrno(e)
        }
        f.x++
        return r
}

// int fts_close(FTS *ftsp);
func Xfts_close(t *TLS, ftsp uintptr) int32 {
        return Xfts64_close(t, ftsp)
}

// int fts_close(FTS *ftsp);
func Xfts64_close(t *TLS, ftsp uintptr) int32 {
        getObject(ftsp).(*ftstream).close(t)
        removeObject(ftsp)
        return 0
}

// void tzset (void);
func Xtzset(t *TLS) {
        //TODO
}

var strerrorBuf [100]byte

// char *strerror(int errnum);
func Xstrerror(t *TLS, errnum int32) uintptr {
        if dmesgs {
                dmesg("%v: %v\n%s", origin(1), errnum, debug.Stack())
        }
        copy(strerrorBuf[:], fmt.Sprintf("strerror(%d)\x00", errnum))
        return uintptr(unsafe.Pointer(&strerrorBuf[0]))
}

// void *dlopen(const char *filename, int flags);
func Xdlopen(t *TLS, filename uintptr, flags int32) uintptr {
        panic(todo(""))
}

// char *dlerror(void);
func Xdlerror(t *TLS) uintptr {
        panic(todo(""))
}

// int dlclose(void *handle);
func Xdlclose(t *TLS, handle uintptr) int32 {
        panic(todo(""))
}

// void *dlsym(void *handle, const char *symbol);
func Xdlsym(t *TLS, handle, symbol uintptr) uintptr {
        panic(todo(""))
}

// void perror(const char *s);
func Xperror(t *TLS, s uintptr) {
        panic(todo(""))
}

// int pclose(FILE *stream);
func Xpclose(t *TLS, stream uintptr) int32 {
        panic(todo(""))
}

var gai_strerrorBuf [100]byte

// const char *gai_strerror(int errcode);
func Xgai_strerror(t *TLS, errcode int32) uintptr {
        copy(gai_strerrorBuf[:], fmt.Sprintf("gai error %d\x00", errcode))
        return uintptr(unsafe.Pointer(&gai_strerrorBuf))
}

// int tcgetattr(int fd, struct termios *termios_p);
func Xtcgetattr(t *TLS, fd int32, termios_p uintptr) int32 {
        panic(todo(""))
}

// int tcsetattr(int fd, int optional_actions, const struct termios *termios_p);
func Xtcsetattr(t *TLS, fd, optional_actions int32, termios_p uintptr) int32 {
        panic(todo(""))
}

// speed_t cfgetospeed(const struct termios *termios_p);
func Xcfgetospeed(t *TLS, termios_p uintptr) termios.Speed_t {
        panic(todo(""))
}

// int cfsetospeed(struct termios *termios_p, speed_t speed);
func Xcfsetospeed(t *TLS, termios_p uintptr, speed uint32) int32 {
        panic(todo(""))
}

// int cfsetispeed(struct termios *termios_p, speed_t speed);
func Xcfsetispeed(t *TLS, termios_p uintptr, speed uint32) int32 {
        panic(todo(""))
}

// pid_t fork(void);
func Xfork(t *TLS) int32 {
        t.setErrno(errno.ENOSYS)
        return -1
}

var emptyStr = [1]byte{}

// char *setlocale(int category, const char *locale);
func Xsetlocale(t *TLS, category int32, locale uintptr) uintptr {
        return uintptr(unsafe.Pointer(&emptyStr)) //TODO
}

// char *nl_langinfo(nl_item item);
func Xnl_langinfo(t *TLS, item langinfo.Nl_item) uintptr {
        return uintptr(unsafe.Pointer(&emptyStr)) //TODO
}

// FILE *popen(const char *command, const char *type);
func Xpopen(t *TLS, command, type1 uintptr) uintptr {
        panic(todo(""))
}

// char *realpath(const char *path, char *resolved_path);
func Xrealpath(t *TLS, path, resolved_path uintptr) uintptr {
        s, err := filepath.EvalSymlinks(GoString(path))
        if err != nil {
                if os.IsNotExist(err) {
                        // if dmesgs {
                        //      dmesg("%v: %q: %v", origin(1), GoString(path), err)
                        // }
                        t.setErrno(errno.ENOENT)
                        return 0
                }

                panic(todo("", err))
        }

        if resolved_path == 0 {
                panic(todo(""))
        }

        if len(s) >= limits.PATH_MAX {
                s = s[:limits.PATH_MAX-1]
        }

        copy((*RawMem)(unsafe.Pointer(resolved_path))[:len(s):len(s)], s)
        (*RawMem)(unsafe.Pointer(resolved_path))[len(s)] = 0
        return resolved_path
}

// struct tm *gmtime_r(const time_t *timep, struct tm *result);
func Xgmtime_r(t *TLS, timep, result uintptr) uintptr {
        panic(todo(""))
}

// char *inet_ntoa(struct in_addr in);
func Xinet_ntoa(t *TLS, in1 in.In_addr) uintptr {
        panic(todo(""))
}

func X__ccgo_in6addr_anyp(t *TLS) uintptr {
        return uintptr(unsafe.Pointer(&in6_addr_any))
}

func Xabort(t *TLS) {
        panic(todo("")) //TODO
        // if dmesgs {
        //      dmesg("%v:", origin(1))
        // }
        // p := Xcalloc(t, 1, types.Size_t(unsafe.Sizeof(signal.Sigaction{})))
        // if p == 0 {
        //      panic("OOM")
        // }

        // (*signal.Sigaction)(unsafe.Pointer(p)).F__sigaction_u.F__sa_handler = signal.SIG_DFL
        // Xsigaction(t, signal.SIGABRT, p, 0)
        // Xfree(t, p)
        // unix.Kill(unix.Getpid(), syscall.Signal(signal.SIGABRT))
        // panic(todo("unrechable"))
}

// int fflush(FILE *stream);
func Xfflush(t *TLS, stream uintptr) int32 {
        return 0 //TODO
}

// size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream);
func Xfread(t *TLS, ptr uintptr, size, nmemb types.Size_t, stream uintptr) types.Size_t {
        m, _, err := unix.Syscall(unix.SYS_READ, uintptr(file(stream).fd()), ptr, uintptr(size*nmemb))
        if err != 0 {
                file(stream).setErr()
                return 0
        }

        // if dmesgs {
        //      // dmesg("%v: %d %#x x %#x: %#x\n%s", origin(1), file(stream).fd(), size, nmemb, types.Size_t(m)/size, hex.Dump(GoBytes(ptr, int(m))))
        //      dmesg("%v: %d %#x x %#x: %#x", origin(1), file(stream).fd(), size, nmemb, types.Size_t(m)/size)
        // }
        return types.Size_t(m) / size
}

// size_t fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream);
func Xfwrite(t *TLS, ptr uintptr, size, nmemb types.Size_t, stream uintptr) types.Size_t {
        m, _, err := unix.Syscall(unix.SYS_WRITE, uintptr(file(stream).fd()), ptr, uintptr(size*nmemb))
        if err != 0 {
                file(stream).setErr()
                return 0
        }

        // if dmesgs {
        //      // dmesg("%v: %d %#x x %#x: %#x\n%s", origin(1), file(stream).fd(), size, nmemb, types.Size_t(m)/size, hex.Dump(GoBytes(ptr, int(m))))
        //      dmesg("%v: %d %#x x %#x: %#x", origin(1), file(stream).fd(), size, nmemb, types.Size_t(m)/size)
        // }
        return types.Size_t(m) / size
}

// int fclose(FILE *stream);
func Xfclose(t *TLS, stream uintptr) int32 {
        return file(stream).close(t)
}

// int fputc(int c, FILE *stream);
func Xfputc(t *TLS, c int32, stream uintptr) int32 {
        if _, err := fwrite(file(stream).fd(), []byte{byte(c)}); err != nil {
                return stdio.EOF
        }

        return int32(byte(c))
}

// int fseek(FILE *stream, long offset, int whence);
func Xfseek(t *TLS, stream uintptr, offset long, whence int32) int32 {
        if n := Xlseek(t, int32(file(stream).fd()), types.Off_t(offset), whence); n < 0 {
                // if dmesgs {
                //      dmesg("%v: fd %v, off %#x, whence %v: %v", origin(1), file(stream).fd(), offset, whenceStr(whence), n)
                // }
                file(stream).setErr()
                return -1
        }

        // if dmesgs {
        //      dmesg("%v: fd %v, off %#x, whence %v: ok", origin(1), file(stream).fd(), offset, whenceStr(whence))
        // }
        return 0
}

// long ftell(FILE *stream);
func Xftell(t *TLS, stream uintptr) long {
        n := Xlseek(t, file(stream).fd(), 0, stdio.SEEK_CUR)
        if n < 0 {
                file(stream).setErr()
                return -1
        }

        // if dmesgs {
        //      dmesg("%v: fd %v, n %#x: ok %#x", origin(1), file(stream).fd(), n, long(n))
        // }
        return long(n)
}

// int ferror(FILE *stream);
func Xferror(t *TLS, stream uintptr) int32 {
        return Bool32(file(stream).err())
}

// int ungetc(int c, FILE *stream);
func Xungetc(t *TLS, c int32, stream uintptr) int32 {
        panic(todo(""))
}

// int fscanf(FILE *stream, const char *format, ...);
func Xfscanf(t *TLS, stream, format, va uintptr) int32 {
        panic(todo(""))
}

// int fputs(const char *s, FILE *stream);
func Xfputs(t *TLS, s, stream uintptr) int32 {
        if _, _, err := unix.Syscall(unix.SYS_WRITE, uintptr(file(stream).fd()), s, uintptr(Xstrlen(t, s))); err != 0 {
                return -1
        }

        return 0
}

var getservbynameStaticResult netdb.Servent

// struct servent *getservbyname(const char *name, const char *proto);
func Xgetservbyname(t *TLS, name, proto uintptr) uintptr {
        var protoent *gonetdb.Protoent
        if proto != 0 {
                protoent = gonetdb.GetProtoByName(GoString(proto))
        }
        servent := gonetdb.GetServByName(GoString(name), protoent)
        if servent == nil {
                // if dmesgs {
                //      dmesg("%q %q: nil (protoent %+v)", GoString(name), GoString(proto), protoent)
                // }
                return 0
        }

        Xfree(t, (*netdb.Servent)(unsafe.Pointer(&getservbynameStaticResult)).Fs_name)
        if v := (*netdb.Servent)(unsafe.Pointer(&getservbynameStaticResult)).Fs_aliases; v != 0 {
                for {
                        p := *(*uintptr)(unsafe.Pointer(v))
                        if p == 0 {
                                break
                        }

                        Xfree(t, p)
                        v += unsafe.Sizeof(uintptr(0))
                }
                Xfree(t, v)
        }
        Xfree(t, (*netdb.Servent)(unsafe.Pointer(&getservbynameStaticResult)).Fs_proto)
        cname, err := CString(servent.Name)
        if err != nil {
                getservbynameStaticResult = netdb.Servent{}
                return 0
        }

        var protoname uintptr
        if protoent != nil {
                if protoname, err = CString(protoent.Name); err != nil {
                        Xfree(t, cname)
                        getservbynameStaticResult = netdb.Servent{}
                        return 0
                }
        }
        var a []uintptr
        for _, v := range servent.Aliases {
                cs, err := CString(v)
                if err != nil {
                        for _, v := range a {
                                Xfree(t, v)
                        }
                        return 0
                }

                a = append(a, cs)
        }
        v := Xcalloc(t, types.Size_t(len(a)+1), types.Size_t(unsafe.Sizeof(uintptr(0))))
        if v == 0 {
                Xfree(t, cname)
                Xfree(t, protoname)
                for _, v := range a {
                        Xfree(t, v)
                }
                getservbynameStaticResult = netdb.Servent{}
                return 0
        }
        for _, p := range a {
                *(*uintptr)(unsafe.Pointer(v)) = p
                v += unsafe.Sizeof(uintptr(0))
        }

        getservbynameStaticResult = netdb.Servent{
                Fs_name:    cname,
                Fs_aliases: v,
                Fs_port:    int32(servent.Port),
                Fs_proto:   protoname,
        }
        return uintptr(unsafe.Pointer(&getservbynameStaticResult))
}

func Xreaddir64(t *TLS, dir uintptr) uintptr {
        return Xreaddir(t, dir)
}

func __syscall(r, _ uintptr, errno syscall.Errno) long {
        if errno != 0 {
                return long(-errno)
        }

        return long(r)
}

func X__syscall1(t *TLS, trap, p1 long) long {
        return __syscall(unix.Syscall(uintptr(trap), uintptr(p1), 0, 0))
}

func X__syscall3(t *TLS, trap, p1, p2, p3 long) long {
        return __syscall(unix.Syscall(uintptr(trap), uintptr(p1), uintptr(p2), uintptr(p3)))
}

func X__syscall4(t *TLS, trap, p1, p2, p3, p4 long) long {
        return __syscall(unix.Syscall6(uintptr(trap), uintptr(p1), uintptr(p2), uintptr(p3), uintptr(p4), 0, 0))
}

func fcntlCmdStr(cmd int32) string {
        switch cmd {
        case fcntl.F_GETOWN:
                return "F_GETOWN"
        case fcntl.F_SETLK:
                return "F_SETLK"
        case fcntl.F_GETLK:
                return "F_GETLK"
        case fcntl.F_SETFD:
                return "F_SETFD"
        case fcntl.F_GETFD:
                return "F_GETFD"
        default:
                return fmt.Sprintf("cmd(%d)", cmd)
        }
}

// int setenv(const char *name, const char *value, int overwrite);
func Xsetenv(t *TLS, name, value uintptr, overwrite int32) int32 {
        panic(todo(""))
}

// int unsetenv(const char *name);
func Xunsetenv(t *TLS, name uintptr) int32 {
        panic(todo(""))
}

// int pause(void);
func Xpause(t *TLS) int32 {
        panic(todo(""))
}

// ssize_t writev(int fd, const struct iovec *iov, int iovcnt);
func Xwritev(t *TLS, fd int32, iov uintptr, iovcnt int32) types.Ssize_t {
        panic(todo(""))
}

// int __isoc99_sscanf(const char *str, const char *format, ...);
func X__isoc99_sscanf(t *TLS, str, format, va uintptr) int32 {
        r := Xsscanf(t, str, format, va)
        // if dmesgs {
        //      dmesg("%v: %q %q: %d", origin(1), GoString(str), GoString(format), r)
        // }
        return r
}

// void __assert(const char * func, const char * file, int line, const char *expr) __dead2;
func X__assert(t *TLS, fn, file uintptr, line int32, expr uintptr) {
        X__assert_fail(t, expr, file, uint32(line), fn)
}

func X__assert13(t *TLS, file uintptr, line int32, fn, msg uintptr) {
        X__assert_fail(t, msg, file, uint32(line), fn)
}

// include/stdio.h:456:int      __swbuf(int, FILE *);
func X__swbuf(t *TLS, n int32, file uintptr) int32 {
        return Xfputc(t, n, file) //TODO improve performance, use a real buffer.
}

// int rmdir(const char *pathname);
func Xrmdir(t *TLS, pathname uintptr) int32 {
        if err := unix.Rmdir(GoString(pathname)); err != nil {
                if dmesgs {
                        dmesg("%v: %v FAIL", origin(1), err)
                }
                t.setErrno(err)
                return -1
        }

        if dmesgs {
                dmesg("%v: ok", origin(1))
        }
        return 0
}

// struct dirent *readdir(DIR *dirp);
func Xreaddir(t *TLS, dir uintptr) uintptr {
        if (*darwinDir)(unsafe.Pointer(dir)).eof {
                return 0
        }

        if (*darwinDir)(unsafe.Pointer(dir)).l == (*darwinDir)(unsafe.Pointer(dir)).h {
                n, err := unix.Getdirentries((*darwinDir)(unsafe.Pointer(dir)).fd, (*darwinDir)(unsafe.Pointer(dir)).buf[:], nil)
                // trc("must read: %v %v", n, err)
                if n == 0 {
                        if err != nil && err != io.EOF {
                                if dmesgs {
                                        dmesg("%v: %v FAIL", origin(1), err)
                                }
                                t.setErrno(err)
                        }
                        (*darwinDir)(unsafe.Pointer(dir)).eof = true
                        return 0
                }

                (*darwinDir)(unsafe.Pointer(dir)).l = 0
                (*darwinDir)(unsafe.Pointer(dir)).h = n
                // trc("new l %v, h %v", (*darwinDir)(unsafe.Pointer(dir)).l, (*darwinDir)(unsafe.Pointer(dir)).h)
        }
        de := dir + unsafe.Offsetof(darwinDir{}.buf) + uintptr((*darwinDir)(unsafe.Pointer(dir)).l)
        (*darwinDir)(unsafe.Pointer(dir)).l += int((*unix.Dirent)(unsafe.Pointer(de)).Reclen)
        return de
}

type darwinDir struct {
        buf [4096]byte
        fd  int
        h   int
        l   int

        eof bool
}

// int sscanf(const char *str, const char *format, ...);
func Xsscanf(t *TLS, str, format, va uintptr) int32 {
        r := scanf(strings.NewReader(GoString(str)), format, va)
        // if dmesgs {
        //      dmesg("%v: %q %q: %d", origin(1), GoString(str), GoString(format), r)
        // }
        return r
}

// int * __error(void);
func X__error(t *TLS) uintptr {
        return t.errnop
}

func Xclosedir(t *TLS, dir uintptr) int32 {
        r := Xclose(t, int32((*darwinDir)(unsafe.Pointer(dir)).fd))
        Xfree(t, dir)
        return r
}

// int __xuname(int namesize, void *namebuf)
func X__xuname(t *TLS, namesize int32, namebuf uintptr) int32 {
        return Xuname(t, namebuf)
}

// int chflags(const char *path, u_int flags);
func Xchflags(t *TLS, path uintptr, flags uint32) int32 {
        if err := unix.Chflags(GoString(path), int(flags)); err != nil {
                if dmesgs {
                        dmesg("%v: %v FAIL", origin(1), err)
                }
                t.setErrno(err)
                return -1
        }

        if dmesgs {
                dmesg("%v: ok", origin(1))
        }
        return 0
}

// int pipe(int pipefd[2]);
func Xpipe(t *TLS, pipefd uintptr) int32 {
        var a [2]int
        if err := syscall.Pipe(a[:]); err != nil {
                if dmesgs {
                        dmesg("%v: %v FAIL", origin(1), err)
                }
                t.setErrno(err)
                return -1
        }

        *(*[2]int32)(unsafe.Pointer(pipefd)) = [2]int32{int32(a[0]), int32(a[1])}
        if dmesgs {
                dmesg("%v: %v ok", origin(1), a)
        }
        return 0
}

// char *inet_ntoa(struct in_addr in);
func X__inet_ntoa(t *TLS, in1 in.In_addr) uintptr {
        panic(todo(""))
}

func Xmmap(t *TLS, addr uintptr, length types.Size_t, prot, flags, fd int32, offset types.Off_t) uintptr {
        // Cannot avoid the syscall here, addr sometimes matter.
        data, _, err := unix.Syscall6(unix.SYS_MMAP, addr, uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(offset))
        if err != 0 {
                if dmesgs {
                        dmesg("%v: %v FAIL", origin(1), err)
                }
                t.setErrno(err)
                return ^uintptr(0) // (void*)-1
        }

        if dmesgs {
                dmesg("%v: %#x", origin(1), data)
        }
        return data
}

func X__errno(t *TLS) uintptr {
        return X__errno_location(t)
}

func X__ccgo_pthreadMutexattrGettype(tls *TLS, a uintptr) int32 { /* pthread_attr_get.c:93:5: */
        return (int32((*pthread_mutexattr_t)(unsafe.Pointer(a)).F__attr & uint32(3)))
}

func X__ccgo_getMutexType(tls *TLS, m uintptr) int32 { /* pthread_mutex_lock.c:3:5: */
        return (*(*int32)(unsafe.Pointer((m /* &.__u */ /* &.__i */))) & 15)
}

func X__ccgo_pthreadAttrGetDetachState(tls *TLS, a uintptr) int32 { /* pthread_attr_get.c:3:5: */
        return *(*int32)(unsafe.Pointer((a /* &.__u */ /* &.__i */) + 6*4))
}

func Xpthread_attr_getdetachstate(tls *TLS, a uintptr, state uintptr) int32 { /* pthread_attr_get.c:7:5: */
        *(*int32)(unsafe.Pointer(state)) = *(*int32)(unsafe.Pointer((a /* &.__u */ /* &.__i */) + 6*4))
        return 0
}

func Xpthread_attr_setdetachstate(tls *TLS, a uintptr, state int32) int32 { /* pthread_attr_setdetachstate.c:3:5: */
        if uint32(state) > 1 {
                return 22
        }
        *(*int32)(unsafe.Pointer((a /* &.__u */ /* &.__i */) + 6*4)) = state
        return 0
}

func Xpthread_mutexattr_destroy(tls *TLS, a uintptr) int32 { /* pthread_mutexattr_destroy.c:3:5: */
        return 0
}

func Xpthread_mutexattr_init(tls *TLS, a uintptr) int32 { /* pthread_mutexattr_init.c:3:5: */
        *(*pthread_mutexattr_t)(unsafe.Pointer(a)) = pthread_mutexattr_t{}
        return 0
}

func Xpthread_mutexattr_settype(tls *TLS, a uintptr, type1 int32) int32 { /* pthread_mutexattr_settype.c:3:5: */
        if uint32(type1) > uint32(2) {
                return 22
        }
        (*pthread_mutexattr_t)(unsafe.Pointer(a)).F__attr = (((*pthread_mutexattr_t)(unsafe.Pointer(a)).F__attr & Uint32FromInt32(CplInt32(3))) | uint32(type1))
        return 0
}

// int uuid_parse( char *in, uuid_t uu);
func Xuuid_parse(t *TLS, in uintptr, uu uintptr) int32 {
        r, err := guuid.Parse(GoString(in))
        if err != nil {
                return -1
        }

        copy((*RawMem)(unsafe.Pointer(uu))[:unsafe.Sizeof(uuid.Uuid_t{})], r[:])
        return 0
}

func X__srget(t *TLS, stream uintptr) int32 { return Xgetc(t, stream) }

// void __assert2(const char *, int, const char *, const char *);
// __assert2(__FILE__, __LINE__, __func__, #e))
func X__assert2(t *TLS, file uintptr, line int32, fn, expr uintptr) {
        X__assert_fail(t, expr, file, uint32(line), fn)
}

// int getpagesize(void);
func Xgetpagesize(t *TLS) int32 {
        return int32(unix.Getpagesize())
}

const PTHREAD_MUTEX_DEFAULT = 0

// The pthread_mutex_init() function shall initialize the mutex referenced by
// mutex with attributes specified by attr. If attr is NULL, the default mutex
// attributes are used; the effect shall be the same as passing the address of
// a default mutex attributes object. Upon successful initialization, the state
// of the mutex becomes initialized and unlocked.
//
// If successful, the pthread_mutex_destroy() and pthread_mutex_init()
// functions shall return zero; otherwise, an error number shall be returned to
// indicate the error.
//
// int pthread_mutex_init(pthread_mutex_t *restrict mutex, const pthread_mutexattr_t *restrict attr);
func Xpthread_mutex_init(t *TLS, pMutex, pAttr uintptr) int32 {
        typ := PTHREAD_MUTEX_DEFAULT
        if pAttr != 0 {
                typ = int(X__ccgo_pthreadMutexattrGettype(t, pAttr))
        }
        mutexesMu.Lock()

        defer mutexesMu.Unlock()

        mutexes[pMutex] = newMutex(typ)
        return 0
}

// uint16_t __builtin_bswap16 (uint32_t x)
func Xbswap16(t *TLS, x uint16) uint16 {
        return X__builtin_bswap16(t, x)
}

// uint32_t __builtin_bswap32 (uint32_t x)
func Xbswap32(t *TLS, x uint32) uint32 {
        return X__builtin_bswap32(t, x)
}

// uint64_t __builtin_bswap64 (uint64_t x)
func Xbswap64(t *TLS, x uint64) uint64 {
        return X__builtin_bswap64(t, x)
}

func X__builtin_isblank(t *TLS, _c int32) int32 { return Xisblank(t, _c) }