list2101.c

里面包含很多c语言的源码

/* Inputs a number and displays its square. */

#include <stdio.h>
#include "calc.h"

int main( void )
{
   int x;

   printf("Enter an integer value: ");
   scanf("%d", &x);
   printf("\nThe square of %d is %ld.\n", x, sqr(x));
   return 0;
}