jfieldID jfile_field_bind;
void jfile_bind(JNIEnv *env, jobject jfile, msg_file_t fd);
msg_file_t jfile_get_native(JNIEnv *env, jobject jfile);
/**
jfieldID jfile_field_bind;
void jfile_bind(JNIEnv *env, jobject jfile, msg_file_t fd);
msg_file_t jfile_get_native(JNIEnv *env, jobject jfile);
/**