#include <u.h>#include <libc.h>#include <draw.h>#include <plumb.h>#include "faces.h" void*emalloc(ulong sz){	void *v;	v = malloc(sz);	if(v == nil) {		fprint(2, "out of memory allocating %ld\n", sz);		exits("mem");	}	memset(v, 0, sz);	return v;} void*erealloc(void *v, ulong sz){	v = realloc(v, sz);	if(v == nil) {		fprint(2, "out of memory allocating %ld\n", sz);		exits("mem");	}	return v;} char*estrdup(char *s){	char *t;	if((t = strdup(s)) == nil) {		fprint(2, "out of memory in strdup(%.10s)\n", s);		exits("mem");	}	return t;}