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

int main (int argc, char **argv)
{
    struct   stat   stbuf; 
    
    stat("stat.c", &stbuf); 
    printf("File Mode: %o Real Size: %luB, Space Size: %luB\n", stbuf.st_mode, stbuf.st_size, stbuf.st_blksize); 
    
    return 0;
}