maximum int

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

int main(void)
{
 long int *p;

 /*
  * malloc() always provides aligned memory.
  * Do not use stack variable like a[9], depending on the compiler you use,
  * a may not be aligned properly.
  */
 p = malloc(sizeof(long int));

 memset(p,0,8);
 *p = 0x7fffffffffffffffL;
 printf("%ld\n\n", *p);

 printf("Size of int:%zd\n", sizeof(int));
 printf("Size of unsigned int:%zu\n", sizeof(unsigned int));
 printf("Size of long int:%zd\n", sizeof(long int));
 printf("Size of long long int: %zd\n\n", sizeof(long long int));

 printf("INT_MAX=%d\n", INT_MAX);
 printf("UINT_MAX=%u\n", UINT_MAX);

 printf("LONG_MAX=%ld\n", LONG_MAX);
 printf("ULONG_MAX=%lu\n", ULONG_MAX);

 printf("LLONG_MAX=%lld\n", LLONG_MAX);
 printf("ULLONG_MAX=%llu\n", ULLONG_MAX);

 return 0;
}