1 files changed, 6 insertions, 2 deletions
diff --git a/lib/libc/ctype/isdigit.c b/lib/libc/ctype/isdigit.c
index fa36222d..c33dc1b9 100644
--- a/lib/libc/ctype/isdigit.c
+++ b/lib/libc/ctype/isdigit.c
@@ -1,8 +1,12 @@
-#include <libc.h> // for weak_reference
+#include <ctype.h>     // for isdigit, isdigit_l, locale_t
+#include <sys/cdefs.h> // for __unused, __weak
 
 int isdigit(int c)
 {
 	return (unsigned)c - '0' < 10;
 }
 
-weak_reference(isdigit, isdigit_l);
+__weak int isdigit_l(int c, locale_t __unused locale)
+{
+	return isdigit(c);
+}