ref: 394733c17bc49c23213ea026c05f14b59d0d4f21
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;
}