1 files changed, 18 insertions, 5 deletions
diff --git a/libpsn00b/include/ctype.h b/libpsn00b/include/ctype.h
index b79498a..24ee9d9 100644
--- a/libpsn00b/include/ctype.h
+++ b/libpsn00b/include/ctype.h
@@ -1,7 +1,20 @@
-#ifndef _CTYPE_H
-#define _CTYPE_H
+/*
+ * PSn00bSDK standard library
+ * (C) 2019-2022 PSXSDK authors, Lameguy64, spicyjpeg - MPL licensed
+ */
 
-extern int tolower(int chr);
-extern int toupper(int chr);
+#ifndef __CTYPE_H
+#define __CTYPE_H
 
-#endif
-\ No newline at end of file
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int tolower(int chr);
+int toupper(int chr);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif