程序4-1 对每个命令行参数打印文件类型

//http://blog.chinaunix.net/uid-24549279-id-71355.html
/*
 ============================================================================
 Name        : test.c
 Author      : blank
 Version     :
 Copyright   : Your copyright notice
 Description : 程序4-1 对每个命令行参数打印文件类型
 ============================================================================
*/

#include <stdio.h>
#include <sys/stat.h>
#include "ourhdr.h"

#define BUFFSIZE 4096

int main(int argc, char *argv[])
{
    int         i;
    struct stat buf;
    char        *ptr;

    for (i=1; i<argc; i++){
        printf("%s: ", argv[i]);
        if (lstat(argv[i], &buf) < 0){
            err_ret("lstat error");
            continue;
        }

        if (S_ISREG(buf.st_mode)){
            ptr = "regular";
        }else if(S_ISDIR(buf.st_mode)){
            ptr = "directory";
        }else if(S_ISCHR(buf.st_mode)){
            ptr = "character special";
        }else if(S_ISLNK(buf.st_mode)){
            ptr = "symbolic link";
        }else if (S_ISSOCK(buf.st_mode)){
            ptr = "socket";
        }else if(S_ISBLK(buf.st_mode)){
            ptr = "block special";
        }else if(S_ISFIFO(buf.st_mode)){
            ptr = "FIFO";
        }else{
            ptr = "***unknown mode***";
        }
        printf("%s
", ptr);
    }
    exit(0);
}