#include <u.h>#include <libc.h>#include <diskfs.h> void*emalloc(ulong n){	void *v; 	v = mallocz(n, 1);	if(v == nil)		abort();	return v;} void*erealloc(void *v, ulong n){	v = realloc(v, n);	if(v == nil)		abort();	return v;}