mkfifo
int mkfifo(const char *, mode_t);
ASTCMDLIST(mkfifo)
BINCMDLIST(mkfifo)
GNUCMDLIST(mkfifo)
if (mkfifo(path, mode) < 0) {
if (mkfifo(newname, perm) != 0)
if (mkfifo(temp_filename, 0600) != 0) {
if (mkfifo(path, 0666) != 0) {
if (mkfifo(fifo, 0666) != 0) {
extern int mkfifo(const char *, mode_t);