Applying: htl: move sem_destroy into libc.
Applying: htl: move sem_getvalue into libc.
Applying: htl: move sem_init into libc.
Applying: htl: move sem_open, sem_close into libc.
Applying: htl: move sem_post into libc.
Applying: htl: move sem_{clockwait, timedwait, wait, trywait} into libc.
Applying: htl: move sem_unlink into libc.