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-rw-r--r--src/cmark_ctype.c2
-rw-r--r--src/cmark_ctype.h13
2 files changed, 15 insertions, 0 deletions
diff --git a/src/cmark_ctype.c b/src/cmark_ctype.c
index 8805b9a..a3871a8 100644
--- a/src/cmark_ctype.c
+++ b/src/cmark_ctype.c
@@ -1,5 +1,7 @@
#include <stdint.h>
+#include "cmark_ctype.h"
+
/** 1 = space, 2 = punct, 3 = digit, 4 = alpha, 0 = other
*/
static const int8_t cmark_ctype_class[256] = {
diff --git a/src/cmark_ctype.h b/src/cmark_ctype.h
index 7423f80..f803946 100644
--- a/src/cmark_ctype.h
+++ b/src/cmark_ctype.h
@@ -1,3 +1,10 @@
+#ifndef CMARK_CMARK_CTYPE_H
+#define CMARK_CMARK_CTYPE_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/** Locale-independent versions of functions from ctype.h.
* We want cmark to behave the same no matter what the system locale.
*/
@@ -9,3 +16,9 @@ int cmark_ispunct(char c);
int cmark_isalnum(char c);
int cmark_isdigit(char c);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif