h0512.c

141个C语言经典小程序

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

int main(void)
{
   int i;

   printf("Input an integer: ");

   /* read an integer from the 
      standard input stream */
   if (fscanf(stdin, "%d", &i))
      printf("The integer read was: %i\n", i);
   else
   {
      fprintf(stderr, "Error reading an integer from stdin.\n");
      exit(1);
   }
   return 0;
}