Whitespace cleanups.

[pdclib] / includes / ctype.h

diff --git a/includes/ctype.h b/includes/ctype.h
index adf5ce2b657ba09b2df5d5968892d9b544b88348..168900a4545ca98dd773431e162fdf6b573dccbf 100644 (file)
--- a/includes/ctype.h
+++ b/includes/ctype.h
@@ -1,6 +1,4 @@
-/* $Id$ */
-
-/* 7.4 Character handling <ctype.h>
+/* Character handling <ctype.h>
 
    This file is part of the Public Domain C Library (PDCLib).
    Permission is granted to use, modify, and / or redistribute at will.
@@ -9,6 +7,8 @@
 #ifndef _PDCLIB_CTYPE_H
 #define _PDCLIB_CTYPE_H _PDCLIB_CTYPE_H
 
+#include "_PDCLIB_int.h"
+
 /* Character classification functions */
 
 /* Note that there is a difference between "whitespace" (any printing, non-
@@ -29,15 +29,15 @@ int isalnum( int c );
 */
 int isalpha( int c );
 
-/* Returns true if the character is a whitespace. In the "C" locale, only ' '
-   and '\t' are considered whitespace.
+/* Returns true if the character isspace() and used for seperating words within
+   a line of text. In the "C" locale, only ' ' and '\t' are considered blanks.
 */
 int isblank( int c );
 
 /* Returns true if the character is a control character. */
 int iscntrl( int c );
 
-/* Returns true if the character is a decimal digit. */
+/* Returns true if the character is a decimal digit. Locale-independent. */
 int isdigit( int c );
 
 /* Returns true for every printing character except space (' '). */
@@ -64,7 +64,7 @@ int ispunct( int c );
 /* Returns true for every standard whitespace character (' ', '\f', '\n', '\r',
    '\t', '\v') in the "C" locale. In any other locale, also returns true for a
    locale-specific set of characters for which isalnum() is false.
-*/ 
+*/
 int isspace( int c );
 
 /* Returns true for uppercase letters in the "C" locale.
@@ -75,7 +75,7 @@ int isspace( int c );
 */
 int isupper( int c );
 
-/* Returns true for any hexadecimal-digit character. */
+/* Returns true for any hexadecimal-digit character. Locale-independent. */
 int isxdigit( int c );
 
 /* Character case mapping functions */