posix_spawn_file_actions_addopen
int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t * __restrict,
RZ(posix_spawn_file_actions_addopen(&fa, fileno(stdin),
RZ(posix_spawn_file_actions_addopen(&fa, fileno(stdout),
RZ(posix_spawn_file_actions_addopen(&fa, fileno(stdout),
RZ(posix_spawn_file_actions_addopen(&fa, fileno(stdin),
RZ(posix_spawn_file_actions_addopen(&fa, fileno(stdin),
RZ(posix_spawn_file_actions_addopen(&fa, STDIN_FILENO,
RZ(posix_spawn_file_actions_addopen(&fa, STDIN_FILENO,
RZ(posix_spawn_file_actions_addopen(&fa, 6, "/dev/null", O_RDWR, 0));
RZ(posix_spawn_file_actions_addopen(&fa, STDOUT_FILENO, "/dev/null",
RZ(posix_spawn_file_actions_addopen(&fa, STDOUT_FILENO, "/dev/null",
RZ(posix_spawn_file_actions_addopen(&fa, fileno(stdin),
RZ(posix_spawn_file_actions_addopen(&fa, fileno(stdout),
RZ(posix_spawn_file_actions_addopen(&fa, STDOUT_FILENO,