- make sure isspace() is exported.

  Thanks to Skinkie for noticing.

include/ctype.h

@@ -161,17 +161,27 @@ __BEGIN_NAMESPACE_STD
    which return nonzero iff C has CHARACTERISTIC.
    For the meaning of the characteristic names, see the `enum' above.  */
 __exctype (isalnum);
+libc_hidden_proto(isalnum)
 __exctype (isalpha);
+libc_hidden_proto(isalpha)
 __exctype (iscntrl);
+libc_hidden_proto(iscntrl)
 __exctype (isdigit);
+libc_hidden_proto(isdigit)
 __exctype (islower);
+libc_hidden_proto(islower)
 __exctype (isgraph);
+libc_hidden_proto(isgraph)
 __exctype (isprint);
+libc_hidden_proto(isprint)
 __exctype (ispunct);
+libc_hidden_proto(ispunct)
 __exctype (isspace);
 libc_hidden_proto(isspace)
 __exctype (isupper);
+libc_hidden_proto(isupper)
 __exctype (isxdigit);
+libc_hidden_proto(isxdigit)
 
 
 /* Return the lowercase version of C.  */
@@ -190,6 +200,7 @@ __END_NAMESPACE_STD
 __BEGIN_NAMESPACE_C99
 
 __exctype (isblank);
+libc_hidden_proto(isblank)
 
 __END_NAMESPACE_C99
 #endif
@@ -310,20 +321,29 @@ __NTH (toupper (int __c))
    which return nonzero iff C has CHARACTERISTIC.
    For the meaning of the characteristic names, see the `enum' above.  */
 __exctype_l (isalnum_l);
+libc_hidden_proto(isalnum_l)
 __exctype_l (isalpha_l);
+libc_hidden_proto(isalpha_l)
 __exctype_l (iscntrl_l);
+libc_hidden_proto(iscntrl_l)
 __exctype_l (isdigit_l);
+libc_hidden_proto(isdigit_l)
 __exctype_l (islower_l);
+libc_hidden_proto(islower_l)
 __exctype_l (isgraph_l);
+libc_hidden_proto(isgraph_l)
 __exctype_l (isprint_l);
+libc_hidden_proto(isprint_l)
 __exctype_l (ispunct_l);
+libc_hidden_proto(ispunct_l)
 __exctype_l (isspace_l);
 libc_hidden_proto(isspace_l)
 __exctype_l (isupper_l);
+libc_hidden_proto(isupper_l)
 __exctype_l (isxdigit_l);
-
+libc_hidden_proto(isxdigit_l)
 __exctype_l (isblank_l);
-
+libc_hidden_proto(isblank_l)
 
 /* Return the lowercase version of C in locale L.  */
 extern int __tolower_l (int __c, __locale_t __l) __THROW;

libc/misc/ctype/ctype.c

@@ -89,14 +89,17 @@
 #undef CTYPE_NAME
 #undef ISCTYPE
 #undef CTYPE_ALIAS
+#undef CTYPE_DEF
 #ifdef __UCLIBC_DO_XLOCALE
 #define CTYPE_NAME(X)  __is ## X ## _l
 #define ISCTYPE(C,F)   __isctype_l( C, F, locale_arg)
-#define CTYPE_ALIAS(NAME)    strong_alias( __is ## NAME ## _l , is ## NAME ## _l)
+#define CTYPE_ALIAS(NAME)   strong_alias( __is ## NAME ## _l , is ## NAME ## _l)
+#define CTYPE_DEF(NAME) libc_hidden_def(is ## NAME ## _l)
 #else
 #define CTYPE_NAME(X)  is ## X
 #define ISCTYPE(C,F)   __isctype( C, F )
 #define CTYPE_ALIAS(NAME)
+#define CTYPE_DEF(NAME) libc_hidden_def(is ## NAME)
 #endif
 
 
@@ -142,9 +145,9 @@ int CTYPE_NAME(NAME) (int c  __LOCALE_PARAM ) \
 { \
 	CTYPE_BODY(NAME,c,PASTE2(_IS,NAME)) \
 } \
+CTYPE_DEF(NAME) \
 CTYPE_ALIAS(NAME)
 
-
 #else  /* __UCLIBC_HAS_CTYPE_TABLES__ */
 
 #define C_MACRO(X)		PASTE2(__C_is,X)(c)
@@ -220,7 +223,7 @@ int CTYPE_NAME(digit) (int C   __LOCALE_PARAM)
 	return __isdigit_int(C);	/* C could be invalid. */
 #endif
 }
-
+CTYPE_DEF(digit)
 CTYPE_ALIAS(digit)
 
 #else  /* __UCLIBC_HAS_CTYPE_TABLES__ */