extern char *drmGetDeviceNameFromFd(int fd);
+extern int drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd);
+extern int drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle);
+
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif