1 #ifndef LIBOPERA_EXTERN_C_H_INCLUDED
2 #define LIBOPERA_EXTERN_C_H_INCLUDED
3 
4 #ifdef __cplusplus
5 #define EXTERN_C_BEGIN  extern "C" {
6 #define EXTERN_C_END    }
7 #else
8 #define EXTERN_C_BEGIN
9 #define EXTERN_C_END
10 #endif
11 
12 #endif /* LIBOPERA_EXTERN_C_H_INCLUDED */
13