That's the proper way to use crypt.h
committer: Markus Bröker <mbroeker@largo.homelinux.org>
/**
* data_types.c
* Copyright (C) 2008 Markus Broeker
*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <limits.h>
#include <float.h>
typedef unsigned char UCHAR;
typedef signed char SCHAR;
typedef unsigned short USHORT;
typedef signed short SSHORT;
typedef unsigned int UINT;
typedef signed int SINT;
typedef unsigned long ULONG;
typedef signed long SLONG;
#ifdef __USE_ISOC99
typedef unsigned long long ULLONG;
typedef signed long long SLLONG;
#endif
int main (int argc, char **argv)
{
printf ("%20s %4s %20s %25s\n\n", "Type", "BITS", "MIN", "MAX");
printf ("%20s %4d %20d %25d\n", " signed char", 8 * sizeof (SCHAR), CHAR_MIN, CHAR_MAX);
printf ("%20s %4d %20d %25d\n", " signed short", 8 * sizeof (SSHORT), SHRT_MIN, SHRT_MAX);
printf ("%20s %4d %20d %25d\n", " signed int", 8 * sizeof (SINT), INT_MIN, INT_MAX);
printf ("%20s %4d %20ld %25ld\n", " signed long", 8 * sizeof (SLONG), LONG_MIN, LONG_MAX);
#ifdef __USE_ISOC99
printf ("%20s %4d %20lld %25lld\n\n", " signed llong", 8 * sizeof (SLLONG), (SLLONG) LLONG_MIN, LLONG_MAX);
#endif
printf ("%20s %4d %20d %25u\n", " unsigned char", 8 * sizeof (UCHAR), 0, UCHAR_MAX);
printf ("%20s %4d %20d %25u\n", "unsigned short", 8 * sizeof (USHORT), 0, USHRT_MAX);
printf ("%20s %4d %20d %25u\n", " unsigned int", 8 * sizeof (UINT), 0, UINT_MAX);
printf ("%20s %4d %20lu %25lu\n", " unsigned long", 8 * sizeof (ULONG), 0UL, ULONG_MAX);
#ifdef __USE_ISOC99
printf ("%20s %4d %20llu %25llu\n", "unsigned llong", 8 * sizeof (ULLONG), 0ULL, ULLONG_MAX);
#endif
#ifdef __USE_ISOC99
printf ("\n%20s %4d %20d %20d\n", "_Bool", 8 * sizeof (_Bool), 0, 1);
#endif
printf ("\n%20s %4d \t\t %#1.2g \t\t %#1.2g\n", "float", 8 * sizeof (float), (double)FLT_MIN, (double)FLT_MAX);
printf ("%20s %4d \t\t %#1.2g \t\t %#1.2g\n", "double", 8 * sizeof (double), (double)DBL_MIN, (double)DBL_MAX);
return EXIT_SUCCESS;
}