Someone

#include <stdio.h>
#include <string.h>
#include <ctype.h>
int main() {
        char c[4];
        int x;
        fgets(c,4, stdin);
        if(isdigit(c[0]) ) {
                x = atoi(c);
         }
         printf( "You entered the digit %d\n", x );
         printf("%c\n", c[0]);
         return 0;
}