linux c判断目录是否存在

int access(const char *pathname, int mode);

#include <stdio.h>
#include <unistd.h>

int main() {
    const char *dir_path = "/path/to/directory";

    if (access(dir_path, F_OK) == 0) {
        printf("Directory exists.\n");
    } else {
        printf("Directory does not exist.\n");
    }

    return 0;
}

int stat(const char *pathname, struct stat *statbuf);

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

int main() {
    const char *dir_path = "/path/to/directory";
    struct stat info;

    if (stat(dir_path, &info) != 0) {
        printf("Cannot access directory.\n");
        return 1;
    }

    if (S_ISDIR(info.st_mode)) {
        printf("Directory exists.\n");
    } else {
        printf("Path is not a directory.\n");
    }

    return 0;
}