Linux readdir遍历目录步骤

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

DIR *dir = opendir(path);
if (dir == NULL) {
    perror("无法打开目录");
    exit(EXIT_FAILURE);
}

struct dirent *entry;
while ((entry = readdir(dir)) != NULL) {
    // 处理目录条目
}

printf("%s\n", entry->d_name);

closedir(dir);

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

int main(int argc, char *argv[]) {
    if (argc != 2) {
        fprintf(stderr, "使用方法: %s <目录>\n", argv[0]);
        return EXIT_FAILURE;
    }

    const char *path = argv[1];
    DIR *dir = opendir(path);
    if (dir == NULL) {
        perror("无法打开目录");
        return EXIT_FAILURE;
    }

    struct dirent *entry;
    while ((entry = readdir(dir)) != NULL) {
        printf("%s\n", entry->d_name);
    }

    closedir(dir);
    return EXIT_SUCCESS;
}