diff --git a/reliable_multicast.h b/reliable_multicast.h
index beeafec..4ddd2a2 100644
--- a/reliable_multicast.h
+++ b/reliable_multicast.h
@@ -7,6 +7,11 @@
 
 #ifndef __RELIABLE_MULTICAST_H__
 #define __RELIABLE_MULTICAST_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #include <stdint.h>
 #include <netinet/in.h>
 #include "rmc_list.h"
@@ -433,4 +438,9 @@ extern payload_len_t rmc_sub_packet_payload_len(struct sub_packet* pack);
 // Data was sent on TCP connection.
 #define RMC_WRITE_TCP 10
 
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif // __RELIABLE_MULTICAST_H__
diff --git a/rmc_log.h b/rmc_log.h
index fed70ee..c4af711 100644
--- a/rmc_log.h
+++ b/rmc_log.h
@@ -11,6 +11,10 @@
 #include <stdio.h>
 #include <stdarg.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define RMC_LOG_LEVEL_NONE 0
 #define RMC_LOG_LEVEL_FATAL 1
 #define RMC_LOG_LEVEL_ERROR 2
@@ -54,4 +58,8 @@ extern int _rmc_log_level;
 #define RMC_LOG_INDEX_ERROR(index, fmt, ...) { if (_rmc_log_level >= RMC_LOG_LEVEL_ERROR) rmc_log(RMC_LOG_LEVEL_ERROR, __FUNCTION__, __FILE__, __LINE__, index, fmt, ##__VA_ARGS__); }
 #define RMC_LOG_INDEX_FATAL(index, fmt, ...) { if (_rmc_log_level >= RMC_LOG_LEVEL_FATAL) rmc_log(RMC_LOG_LEVEL_FATAL, __FUNCTION__, __FILE__, __LINE__, index, fmt, ##__VA_ARGS__); }
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif // __RMC_LOG_H__