ref: 7effba9d98e8a39ee1504192d02d40e86d90b19a dir: /sys/src/ape/lib/ap/plan9/link.c/
#include <unistd.h> #include <errno.h> /* * BUG: LINK_MAX==1 isn't really allowed */ int link(const char *name1, const char *name2) { errno = EMLINK; return -1; }