Fatorial

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

int factorial(int n) {
    int x;
    if(n==1) {
        return 1;
    }
    x = factorial(n-1)*n;
    return x;
}

void main(void) {
    int y, fat;
    printf("\n\n\Valor? ");
    scanf("%d", &y);
    fat = factorial(y);
    printf("Fatorial de %d = %d", y, fat);
    printf("\n\n");
}