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

int main(int argc, char *argv[])
{
    if(argc!=2)
        printf("usage : <exec> file dir.\n");
    char buffer[20];
    int nr_cifre=0;

    int file1=open(argv[1],O_RDONLY);
    int nr_caractere=0;

    while(read(file1,&buffer,sizeof(char)))
    {
        if(isdigit(buffer[0]))
        {
            nr_cifre++;
            printf("%c", buffer[0]);
        }
        nr_caractere++;
    }

    close(file1);
    printf("\n");
    printf("In fisierul dat ca argument sunt %d cifre.", nr_cifre);

    int pf = creat("/home/student/noulfisier", S_IRUSR|S_IWUSR);
    sprintf(buffer,"In fisierul dat ca argument sunt %d cifre.", nr_cifre);
    write(pf,buffer,strlen(buffer));

    struct stat s;
    int i=lstat(argv[1],&s);
    sprintf(buffer,"Grup ID: %d",s.st_gid);
    write(pf,buffer,strlen(buffer));
    symlink("home/student/noulfisier","./mylink");

    close(pf);
    printf("\n");
    return 0;
}