#include "apue.h"#include <fcntl.h>#include <utime.h>intmain(int argc, char *argv[]){	int				i, fd;	struct stat		statbuf;	struct utimbuf	timebuf;	for (i = 1; i < argc; i++) {		if (stat(argv[i], &statbuf) < 0) {	/* fetch current times */			err_ret("%s: stat error", argv[i]);			continue;		}		if ((fd = open(argv[i], O_RDWR | O_TRUNC)) < 0) { /* truncate */			err_ret("%s: open error", argv[i]);			continue;		}		close(fd);		timebuf.actime  = statbuf.st_atime;		timebuf.modtime = statbuf.st_mtime;		if (utime(argv[i], &timebuf) < 0) {		/* reset times */			err_ret("%s: utime error", argv[i]);			continue;		}	}	exit(0);}