pub unsafe extern "C-unwind" fn jpeg_write_coefficients(
cinfo: &mut jpeg_compress_struct,
coef_arrays: *mut *mut jvirt_barray_control,
)pub unsafe extern "C-unwind" fn jpeg_write_coefficients(
cinfo: &mut jpeg_compress_struct,
coef_arrays: *mut *mut jvirt_barray_control,
)