Function ocl::ffi::clGetSupportedImageFormats

pub unsafe extern "system" fn clGetSupportedImageFormats(context: *mut c_void,
                                                         flags: u64,
                                                         image_type: u32,
                                                         num_entries: u32,
                                                         image_formats: *mut cl_image_format,
                                                         num_image_formats: *mut u32)
                                                         -> i32