1 files changed, 6 insertions, 2 deletions
diff --git a/lib/libc/ctype/isspace.c b/lib/libc/ctype/isspace.c
index 468e755b..201daca0 100644
--- a/lib/libc/ctype/isspace.c
+++ b/lib/libc/ctype/isspace.c
@@ -1,8 +1,12 @@
-#include <libc.h> // for weak_reference
+#include <ctype.h>     // for isspace, isspace_l, locale_t
+#include <sys/cdefs.h> // for __unused, __weak
 
 int isspace(int c)
 {
 	return c == ' ' || (unsigned)c - '\t' < 5;
 }
 
-weak_reference(isspace, isspace_l);
+__weak int isspace_l(int c, locale_t __unused locale)
+{
+	return isspace(c);
+}