Function mupdf_sys::fz_buffer_storage

pub unsafe extern "C" fn fz_buffer_storage(
    ctx: *mut fz_context, 
    buf: *mut fz_buffer, 
    datap: *mut *mut c_uchar
) -> usize

Retrieve internal memory of buffer.

datap: Output parameter that will be pointed to the data.

Returns the current size of the data in bytes.