c,php打印文件目录结构

function printdir($path = '', $tab = '') {
    if ('' == $path) {
        echo 'empty directory';
        return;
    }
    
    $handle = opendir($path);
    if ($handle) {
        chdir($path);
        while (false !== ($file = readdir($handle))) {
            if ($file == "." || $file == "..") {
                continue;
            }
            
            if (is_dir($path . '/' . $file)) {
                echo $tab . $file . '/<BR>';
                printdir($path . '/' . $file, $tab . "&nbsp;&nbsp;&nbsp;&nbsp;");
            }
            else {
                echo $tab . $file ."<BR>";
            }
        }
        chdir("..");
        closedir($handle);
    }
}

printdir('/home/venkman/desktop'

 

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

void printdir(char *dir, int depth)
{
    DIR *dp;
    struct dirent *entry;
    struct stat statbuf;

    if((dp = opendir(dir)) == NULL) {
        fprintf(stderr,"cannot open directory: %s\n", dir);
        return;
    }
    chdir(dir);
    while((entry = readdir(dp)) != NULL) {
        lstat(entry->d_name,&statbuf);
        if(S_ISDIR(statbuf.st_mode)) {
            if(strcmp(".",entry->d_name) == 0 || strcmp("..",entry->d_name) == 0){
                continue;
            }
            printf("%*s%s/\n",depth,"",entry->d_name);           
            printdir(entry->d_name,depth+4);
        }
        else printf("%*s%s\n",depth,"",entry->d_name);
    }
    chdir("..");
    closedir(dp);
}


int main(int argc, char* argv[])
{
    char *topdir, pwd[2]=".";
    if (argc != 2)
        topdir=pwd;
    else
        topdir=argv[1];

    printf("Directory scan of %s\n",topdir);
    printdir(topdir,0);
    printf("done.\n");

    exit(0);
}