#include <stdlib.h>#include <stdio.h>#include <inttypes.h>#include <stdarg.h>#include <ctype.h>#include <string.h>#include <assert.h> #include <sys/types.h>#include <sys/stat.h>#include <fcntl.h>#include <unistd.h> #include "util.h"#include "parse.h" /* errors */voiddie(char *msg, ...){	va_list ap; 	va_start(ap, msg);	vfprintf(stderr, msg, ap);	fprintf(stderr, "\n");	va_end(ap);	abort();} voidfatal(Node *n, char *msg, ...){	va_list ap; 	va_start(ap, msg);	lfatalv(n->loc, msg, ap);	va_end(ap);} voidlfatal(Srcloc l, char *msg, ...){	va_list ap; 	va_start(ap, msg);	lfatalv(l, msg, ap);	va_end(ap);} voidlfatalv(Srcloc l, char *msg, va_list ap){	fprintf(stdout, "%s:%d: ", fname(l), lnum(l));	vfprintf(stdout, msg, ap);	fprintf(stdout, "\n");	exit(1);}