C语言库limits.h

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

int main() {
   printf(The number of bits in a byte %d\n, CHAR_BIT);

   printf(The minimum value of SIGNED CHAR = %d\n, SCHAR_MIN);
   printf(The maximum value of SIGNED CHAR = %d\n, SCHAR_MAX);
   printf(The maximum value of UNSIGNED CHAR = %d\n, UCHAR_MAX);

   printf(The minimum value of SHORT INT = %d\n, SHRT_MIN);
   printf(The maximum value of SHORT INT = %d\n, SHRT_MAX); 

   printf(The minimum value of INT = %d\n, INT_MIN);
   printf(The maximum value of INT = %d\n, INT_MAX);

   printf(The minimum value of CHAR = %d\n, CHAR_MIN);
   printf(The maximum value of CHAR = %d\n, CHAR_MAX);

   printf(The minimum value of LONG = %ld\n, LONG_MIN);
   printf(The maximum value of LONG = %ld\n, LONG_MAX);

   return(0);
}