1 files changed, 8 insertions, 0 deletions
diff --git a/lib/libc/ctype/isgraph.c b/lib/libc/ctype/isgraph.c
new file mode 100644
index 00000000..03919200
--- /dev/null
+++ b/lib/libc/ctype/isgraph.c
@@ -0,0 +1,8 @@
+#include <libc.h>
+
+int isgraph(int c)
+{
+	return (unsigned)c - 0x21 < 0x5e;
+}
+
+weak_reference(isgraph, isgraph_l);