1 files changed, 14 insertions, 0 deletions
diff --git a/src/ctype/isalpha.c b/src/ctype/isalpha.c
new file mode 100644
index 0000000..a87a937
--- /dev/null
+++ b/src/ctype/isalpha.c
@@ -0,0 +1,14 @@
+#include <ctype.h>
+#undef isalpha
+
+int isalpha(int c)
+{
+	return ((unsigned)c|32)-'a' < 26;
+}
+
+int __isalpha_l(int c, locale_t l)
+{
+	return isalpha(c);
+}
+
+weak_alias(__isalpha_l, isalpha_l);