# POSIX
AC_FUNC_FORK
AC_FUNC_GETGROUPS
-AC_FUNC_SELECT_ARGTYPES
AC_CHECK_FUNCS_ONCE([chmod chown fstat fchown fchmod clock_gettime getaddrinfo getgrgid_r getgrnam_r \
getpwnam_r getpwuid_r gettimeofday getuid mlock nanosleep \
pipe posix_fadvise posix_madvise posix_memalign setpgid setsid shm_open \