ref: ae2384b1273840d7633812d793895dace0d79683
dir: /libc/lladd.c/
#include <u.h>
#include <err.h>
#include <mem.h>
int
lladd(ll_t *last, void *data)
{
	ll_t *temp = malloc(sizeof(ll_t*));
	temp->val = data;
	temp->next = nil;
	if(last->next != nil)
	{
		return LL_ERR;
	}
	last->next = temp;
	return OK;
}