ref: d0d9f930a1f4197b49f0c4334c8a3d5f09d8e108 dir: /sys/src/ape/lib/ap/plan9/ttyname.c/
#include <unistd.h> #include <stdio.h> char * ttyname(int fd) { static char buf[100]; sprintf(buf, "/fd/%d", fd); return buf; }