ref: 6c0e2e74e353f73e72391e76b5d875d0c3637e7c 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; }