访问文件目录dir

#include <unistd.h>#include <dirent.h>#include <string.h>#include <sys/stat.h>#include <stdlib.h>#include <stdio.h>void printdir(char* dir, int depth){DIR *dp;struct dirent *dir_entry;struct stat stat_buf;if((dp=opendir(dir))==NULL){fprintf(stderr, "cannot open directory: %s", dir);return;}chdir(dir);while((dir_entry =  readdir(dp)) != NULL){lstat(dir_entry->d_name, &stat_buf);if(S_ISDIR(stat_buf.st_mode)){//if(strcmp(dir_entry->d_name, ".") == 0|| strcmp(dir_entry->d_name, "..") == 0) continue;printf("%*s%s/\n", depth, "", dir_entry->d_name);printdir(dir_entry->d_name, 4);}else{printf("%*s%s/\n", depth, "", dir_entry->d_name);}}//whilechdir("..");closedir(dp);}int main(int argc, char* argv[]){printf("==>Directory scan of /home/workspace:\n");printdir("/home/workspace", 0);printf("==>Done.\n");exit(0);}