/* ALLOC.C - Routine to allocate memory and complain if it doesn't work. *//* Copyright (c) 1996 by Radford M. Neal  * * Permission is granted for anyone to copy, use, or modify this program  * for purposes of research or education, provided this copyright notice  * is retained, and note is made of any changes that have been made.  * * This program is distributed without any warranty, express or implied. * As this program was written for research purposes only, it has not been * tested to the degree that would be advisable in any important application. * All use of this program is entirely at the user's own risk. */#include <stdlib.h>#include <stdio.h>#include "alloc.h"/* ALLOCATE SPACE AND CHECK FOR ERROR.  Calls 'calloc' to allocate space,   and then displays an error message and exits if the space couldn't be   found. */void *chk_alloc( unsigned n,		/* Number of elements */  unsigned size		/* Size of each element */){   void *p;  p = calloc(n,size);  if (p==0)  { fprintf(stderr,"Ran out of memory (while trying to allocate %d bytes)\n",      n*size);    exit(1);  }  return p;}