git: 9front

ref: 9f1657a2cd622730c3a3d4de616b8e253f82deb3
dir: /sys/src/ape/lib/ap/plan9/getgroups.c/

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#include <sys/types.h>
#include <unistd.h>
#include <errno.h>

int
getgroups(int gidsize, gid_t grouplist[])
{
	errno = EINVAL;
	return -1;
}