std_cctype.h: Undefine macros that conflict with function names defined in this file.

	* include/c/bits/std_cctype.h: Undefine macros that conflict
	with function names defined in this file.
	* include/c/bits/std_cstdio.h: Likewise.

From-SVN: r37221

libstdc++-v3/ChangeLog

+Thu Nov  2 23:19:20 2000  Mark P Mitchell  <mark@codesourcery.com>
+
+	* include/c/bits/std_cctype.h: Undefine macros that conflict
+	with function names defined in this file.
+	* include/c/bits/std_cstdio.h: Likewise.
+
 2000-11-02  Mark Mitchell  <mark@codesourcery.com>
 
 	* acinclude.m4 (GLIBCPP_CHECK_CTYPE_SUPPORT): Fix typo.

libstdc++-v3/include/c/bits/std_cctype.h

@@ -41,6 +41,22 @@
 #pragma GCC system_header
 #include_next <ctype.h>
 
+// Get rid of those macros defined in <ctype.h> in lieu of real functions.
+#undef isalnum
+#undef isalpha
+#undef isblank
+#undef iscntrl
+#undef isdigit
+#undef isgraph
+#undef islower
+#undef isprint
+#undef ispunct
+#undef isspace
+#undef isupper
+#undef isxdigit
+#undef tolower
+#undef toupper
+
 namespace std
 {
   extern "C" int isalnum(int __c);

libstdc++-v3/include/c/bits/std_cstdio.h

@@ -41,6 +41,16 @@
 #pragma GCC system_header
 #include_next <stdio.h>
 
+// Get rid of those macros defined in <stdio.h> in lieu of real functions.
+#undef clearerr
+#undef feof
+#undef ferror
+#undef fileno
+#undef getc
+#undef getchar
+#undef putc
+#undef putchar
+
 namespace std 
 {
   using ::FILE;