nftw 警告

nftw 警告：处理文件树结构的高级工具

c
int nftw(const char *dirpath, int (*fn)(const char *pathname, const struct stat *sb, int typeflag, struct FTW *ftwbuf), int nopenfd, int flags);

c
#include 
#include 
#include 
#include 
#include 
int print_file(const char *pathname, const struct stat *sb, int typeflag, struct FTW *ftwbuf) {
    if (typeflag == FTW_F) { // 判断是否为普通文件
        printf("文件路径：%s\n", pathname);
        printf("文件大小：%lld bytes\n", (long long)sb->st_size);
    }
    return 0;
}
int main() {
    const char *dirpath = "mydir";
    int result = nftw(dirpath, print_file, 10, FTW_PHYS);
    
    if (result == -1) {
        perror("nftw");
        exit(EXIT_FAILURE);
    }
    return 0;
}