#include <u.h>#include <libc.h>#include "util.h" void *emalloc(usize sz){	void *p; 	assert((p = malloc(sz)) != nil);	setmalloctag(p, getcallerpc(&sz)); 	return p;} void *ecalloc(ulong nel, usize elsz){	void *p; 	assert((p = calloc(nel, elsz)) != nil);	setmalloctag(p, getcallerpc(&nel)); 	return p;} void *erealloc(void *p, usize sz){	void *np; 	np = realloc(p, sz);	assert((sz == 0 && np == nil) || np != nil);	if(np != nil)		setrealloctag(np, getcallerpc(&p)); 	return np;} char *estrndup(void *d, int n){	char *s; 	s = malloc(n+1);	assert(s != nil);	setmalloctag(s, getcallerpc(&d));	memmove(s, d, n);	s[n] = 0; 	return s;} char *estrdup(char *s){	char *ns; 	ns = strdup(s);	assert(ns != nil);	setmalloctag(ns, getcallerpc(&s)); 	return ns;}