// //sys Fstatfs(fd int, buf *Statfs_t) (errno int)
// //fstatfs(fd int, buf *Statfs_t) int
+// FIXME: Only available as a syscall.
+// //sysnb Gettid() (tid int)
+// //gettid() Pid_t
+
//sys Ioperm(from int, num int, on int) (errno int)
//ioperm(from _C_long, num _C_long, on int) int
//sys Tee(rfd int, wfd int, len int, flags int) (n int64, errno int)
//tee(rfd int, wfd int, len Size_t, flags uint) Ssize_t
-//sysnb Tgkill(tgid int, tid int, sig int) (errno int)
-//tgkill(tgid int, tid int, sig int) int
+// FIXME: Only available as a syscall.
+// //sysnb Tgkill(tgid int, tid int, sig int) (errno int)
+// //tgkill(tgid int, tid int, sig int) int
//sys unlinkat(dirfd int, path string, flags int) (errno int)
//unlinkat(dirfd int, path *byte, flags int) int
//sysnb Getrusage(who int, rusage *Rusage) (errno int)
//getrusage(who int, rusage *Rusage) int
-//sysnb Gettid() (tid int)
-//gettid() Pid_t
-
//sysnb gettimeofday(tv *Timeval, tz *byte) (errno int)
//gettimeofday(tv *Timeval, tz *byte) int
func Gettimeofday(tv *Timeval) (errno int) {
// //times(tms *Tms) _clock_t
//sysnb Umask(mask int) (oldmask int)
-//umark(mask Mode_t) Mode_t
+//umask(mask Mode_t) Mode_t
//sys Unlink(path string) (errno int)
//unlink(path *byte) int