#include <stdio.h>

int foo(char *p);

//////////////////////////////////////////////////
int main()
{

    int n = 99;

    char sz[99];

    printf("3 digits: ");


    scanf("%s", &sz[0]);

   // printf("3 digits = %s\n", &sz[0]);


    n = foo(sz);



    printf("n = %i\n", n);

}


///////////////////////////////////////////////////
int foo(char *p)
{
    printf(" p = %i\n",  p);
    printf("*p = %c\n", *p);
return 777;
}






















/*
#include <stdio.h>

//////////////////////////////////////////////////
int main()
{

    int n;

    int nArr[7];

    printf("3 digits: ");

    for(int i = 0; i < 3; i++)
    {
        scanf("%i", &nArr[i]);
    }

    printf("nArr[0] = %2d\n", nArr[0]);
    printf("nArr[1] = %2d\n", nArr[1]);
    printf("nArr[2] = %2d\n", nArr[2]);

    n  = nArr[0] * 100;
    n += nArr[1] *  10;
    n += nArr[2] *   1;

    printf("n = %i\n", n);
}



*/