X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=includes%2Fstring.h;h=ef70df00ce952cd3f6054a01450ba135d57086f8;hb=4116251e9bb6c386580d71d8c4afd2d0d08c6096;hp=c8ac5c619d9697a68a59dd8a1d0c3597d2424354;hpb=fed8fdd8d3e229f8910d82d90e2cd249947b58e2;p=pdclib

diff --git a/includes/string.h b/includes/string.h
index c8ac5c6..ef70df0 100644
--- a/includes/string.h
+++ b/includes/string.h
@@ -1,7 +1,5 @@
 /* $Id$ */
 
-/* Release $Name$ */
-
 /* String handling <string.h>
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -21,7 +19,10 @@
 typedef _PDCLIB_size_t size_t;
 #endif
 
+#ifndef _PDCLIB_NULL_DEFINED
+#define _PDCLIB_NULL_DEFINED _PDCLIB_NULL_DEFINED
 #define NULL _PDCLIB_NULL
+#endif
 
 /* String function conventions */
 
@@ -179,9 +180,8 @@ void * memset( void * s, int c, size_t n );
 /* Map an error number to a (locale-specific) error message string. Error
    numbers are typically errno values, but any number is mapped to a message.
    TODO: PDCLib does not yet support locales.
-   TODO: strerror() not yet implemented.
-char * strerror( int errnum );
 */
+char * strerror( int errnum );
 
 /* Returns the length of the string s (excluding terminating '\0').
 */