linux文件

1.打印目錄下內容

/*************************************************************************
	> File Name: test_dir.c
	> Author: qif
	> Mail:
	> Created Time: Mon 24 Mar 2014 02:10:45 PM CST
 ************************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <dirent.h>

int main(int argc, char *argv[])
{
	DIR *pDir;
	struct dirent *dirEnt;
	char *str;
	pDir = opendir(argv[1]);
	if (pDir == NULL)
	{
		printf("open failed!\n");
		exit(-1);
	}
	dirEnt = readdir(pDir);
	str = (char *)malloc(256);
	//memset(str, 0, 256);
	while (dirEnt != NULL) 
	{
		memset(str, 0, 256);
		sprintf(str, "file_type: %c , file_name: %s\n", dirEnt->d_type, dirEnt->d_name);
		fputs(str, stdout);
		dirEnt = readdir(pDir);
	}
	closedir(pDir);
	return 0;
}