ref: 2e0e69ea2dff85bf9c9edf3ed00fd1c45278be1f
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;
}