#include <stdio.h>
#include <stddef.h>

void main()
{
    FILE *fp;
    char c;

    if((fp = fopen("mio.txt" , "r")) != NULL)
    {
        while((c = fgetc (fp)) != EOF)
          putchar(c);
        fclose(fp);
    }
    else
       printf("Il File non puo' essere aperto.");
}