int __posix_spawnx(pid_t *restrict res, const char *restrict path,
int (*exec)(const char *, char *const *),
const posix_spawn_file_actions_t *fa,
int __posix_spawnx(pid_t *restrict res, const char *restrict path,
int (*exec)(const char *, char *const *),
const posix_spawn_file_actions_t *fa,