gistfile1.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
    char date[10] = "10/02/2012";
    char day[10];
    char month[10];
    char year[10];
    int max = 0;

    strncpy(year, date+6, 4);
    year[4] = '\0';
    strncpy(month, date+3, 2);
    month[2] = '\0';
    strncpy(day, date, 2);
    day[2] = '\0';

    if(atoi(year) > max){
        max = atoi(year);
    }

    printf("%d", max);
    return 0;
}