limits_of_c_lang.c

   1 /*
   2   Lists limits of C Programming Language Types.
   3
   4   NOTE: Must compile with -std=c99 in gcc.
   5
   6   Steven Schronk
   7 */
   8
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <limits.h>
  12
  13 int main(void)
  14 {
  15   printf("\nThis Program Displays The Limits of Datatypes on this System.\n\n");
  16   printf("Bits in a Single Char: %d\n", CHAR_BIT);
  17   printf("Max Bytes in Multibyte Char (Any Locale): %d\n", MB_LEN_MAX);
  18   printf("\n");
  19   printf("Char Min:\t\t%+d\n", CHAR_MIN);
  20   printf("Char Max:\t\t%+d\n", CHAR_MAX);
  21   printf("Signed Char Min:\t%+d\n", SCHAR_MIN);
  22   printf("Signed Char Max:\t%+d\n", SCHAR_MAX);
  23   printf("Unsigned Char Max:\t%+d\n", UCHAR_MAX);
  24   printf("\n");
  25   printf("Short Min:\t\t%+d\n", SHRT_MIN);
  26   printf("Short Max:\t\t%+d\n", SHRT_MAX);
  27   printf("Unsigned Short Max:\t%+d\n", USHRT_MAX);
  28   printf("\n");
  29   printf("Integer Min:\t\t%+ld\n", INT_MIN);
  30   printf("Integer Max:\t\t%+ld\n", INT_MAX);
  31   printf("Unsigned Integer Max:\t%+ld\n", UINT_MAX);
  32   printf("\n");
  33   printf("Long Min:\t\t%+ld\n", LONG_MIN);
  34   printf("Long Max:\t\t%+ld\n", LONG_MAX);
  35   printf("Unsigned Long Max:\t+%llu\n", ULONG_MAX);
  36   printf("\n");
  37   printf("Long Long Min:\t\t%+ld\n", LLONG_MIN);
  38   printf("Long Long Max:\t\t%+ld\n", LLONG_MAX);
  39   printf("Unsigned Long Long Max: +%llu\n", ULLONG_MAX);
  40   printf("\n");
  41   return EXIT_SUCCESS;
  42 }