#include"util.h"void*die(char*text){printf("dieing: %s\n",text);exit(1);}void*xmalloc(unsignedintsize){void*mem=malloc(size);if(mem==NULL)die("out of memory");elsereturnmem;}void*xrealloc(void*data,unsignedintsize){void*mem=realloc(data,size);if(mem==NULL)die("out of memory");elsereturnmem;}