ref: c1d40df49550393f3afe53fb6e6d500dfa8eb7a8 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 *, const char *) { errno = EMLINK; return -1; }