Index: src_c/camera_v4l2.c
--- src_c/camera_v4l2.c.orig
+++ src_c/camera_v4l2.c
@@ -161,7 +161,11 @@ v4l2_read_raw(pgCameraObject *self)
  */
 
 int
+#ifdef __OpenBSD__
+v4l2_xioctl(int fd, unsigned long request, void *arg)
+#else
 v4l2_xioctl(int fd, int request, void *arg)
+#endif
 {
     int r;