1 files changed, 7 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/lib/islower.c b/mdk-stage1/dietlibc/lib/islower.c
new file mode 100644
index 000000000..6a9afa519
--- /dev/null
+++ b/mdk-stage1/dietlibc/lib/islower.c
@@ -0,0 +1,7 @@
+#include <ctype.h>
+
+int __islower_ascii(int c) {
+  return (c>='a' && c<='z');
+}
+
+int islower(int c) __attribute__((weak,alias("__islower_ascii")));