/* big.c check for 64 bit  -m64  long */
#include <stdio.h>
#include <stdlib.h>
#include <math.h>

static long fact(long n) /* n! */
{
  if(n<=1l) return 1l;
  return n*fact(n-1l);
}

int main(int argc, char *argv[])
{
  int i, int1;
  long n, long1;
  long long llong1;
  float fl1;
  double d1;
  size_t sz1;
  int * p1;

  printf("big.c  compiled  gcc -m64 -o big big.c (64 bit long)\n");
  printf("sizeof(int)=%d, sizeof(int1)=%d \n",
	 sizeof(int), sizeof(int1));
  printf("sizeof(long)=%d, sizeof(long1)=%d \n",
	 sizeof(long), sizeof(long1));
  printf("sizeof(long long)=%d, sizeof(llong1)=%d \n",
	 sizeof(long long), sizeof(llong1));
  printf("sizeof(float)=%d, sizeof(fl1)=%d \n",
	 sizeof(float), sizeof(fl1));
  printf("sizeof(double)=%d, sizeof(d1)=%d \n",
	 sizeof(double), sizeof(d1));
  printf("sizeof(size_t)=%d, sizeof(sz1)=%d \n",
	 sizeof(size_t), sizeof(sz1));
  printf("sizeof(int *)=%d, sizeof(p1)=%d \n",
	 sizeof(int *), sizeof(p1));

  printf("n factorial with n of type long \n");
  for(n=0; n<25; n++)
  {
    printf("%ld ! = %ld \n", n, fact(n));
  }

  return 0;
}