1 files changed, 8 insertions, 0 deletions
diff --git a/lib/libc/ctype/isblank.c b/lib/libc/ctype/isblank.c
new file mode 100644
index 00000000..7ad08709
--- /dev/null
+++ b/lib/libc/ctype/isblank.c
@@ -0,0 +1,8 @@
+#include <libc.h>
+
+int isblank(int c)
+{
+	return (c == ' ' || c == '\t');
+}
+
+weak_reference(isblank, isblank_l);