ref: 490b46519ceb45220574a4ade95c25eb7d2bb2b4
dir: /libc/lldel.c/
#include <u.h>
#include <err.h>
#include <mem.h>
/* deletes the next entry in the list */
int
lldel(ll_t *ll)
{
ll_t *temp = ll->next;
ll->next = temp->next;
free(temp->val);
free(temp);
return OK;
}