Fixes #45.

[pdclib] / includes / stdio.h

diff --git a/includes/stdio.h b/includes/stdio.h
index 014052bda5f4451883f586f8c2e530248f67b00b..a2428a50faab6847a2085e6e7ee0417177e5332b 100644 (file)
--- a/includes/stdio.h
+++ b/includes/stdio.h
@@ -1,6 +1,6 @@
 /* $Id$ */
 
-/* Input/output <stdio.h>
+/* 7.19 Input/output <stdio.h>
 
    This file is part of the Public Domain C Library (PDCLib).
    Permission is granted to use, modify, and / or redistribute at will.
@@ -162,7 +162,9 @@ FILE * fopen( const char * _PDCLIB_restrict filename, const char * _PDCLIB_restr
    identified by the given filename with the given mode (equivalent to fopen()),
    and associate it with the given stream. If filename is a NULL pointer,
    attempt to change the mode of the given stream.
-   This implementation allows the following mode changes: TODO
+   This implementation allows any mode changes on "real" files, and associating
+   of the standard streams with files. It does *not* support mode changes on
+   standard streams.
    (Primary use of this function is to redirect stdin, stdout, and stderr.)
 */
 FILE * freopen( const char * _PDCLIB_restrict filename, const char * _PDCLIB_restrict mode, FILE * _PDCLIB_restrict stream );
@@ -652,13 +654,13 @@ int fputc( int c, FILE * stream );
 */
 int fputs( const char * _PDCLIB_restrict s, FILE * _PDCLIB_restrict stream );
 
-/* Equivalent to fgetc( stream ), but may be implemented as a macro that
+/* Equivalent to fgetc( stream ), but may be overloaded by a macro that
    evaluates its parameter more than once.
 */
-#define getc( stream ) fgetc( stream )
+int getc( FILE * stream );
 
-/* Equivalent to fgetc( stdin ), but may be implemented as a macro. */
-#define getchar() fgetc( stdin )
+/* Equivalent to fgetc( stdin ). */
+int getchar( void );
 
 /* Read characters from given stream into the array s, stopping at \n or EOF.
    The string read is terminated with \0. Returns s if successful. If EOF is
@@ -668,15 +670,15 @@ int fputs( const char * _PDCLIB_restrict s, FILE * _PDCLIB_restrict stream );
 */
 char * gets( char * s );
 
-/* Equivalent to fputc( c, stream ), but may be implemented as a macro that
+/* Equivalent to fputc( c, stream ), but may be overloaded by a macro that
    evaluates its parameter more than once.
 */
-#define putc( c, stream ) fputc( c, stream )
+int putc( int c, FILE * stream );
 
-/* Equivalent to fputc( c, stdout ), but may be implemented as a macro that
+/* Equivalent to fputc( c, stdout ), but may be overloaded by a macro that
    evaluates its parameter more than once.
 */
-#define putchar( c ) putc( c, stdout )
+int putchar( int c );
 
 /* Write the string s (not including the terminating \0) to stdout, and append
    a newline to the output. Returns a value >= 0 when successful, EOF if a