ref: effc5f4f6cd0ffea758a131315bb6640bebc6f6b dir: /sys/src/ape/lib/ap/posix/mkfifo.c/
#include <sys/types.h> #include <sys/stat.h> #include <errno.h> int mkfifo(char *, mode_t) { #pragma ref path #pragma ref mode errno = 0; return -1; }