Function ZL_getNumOutputs 

pub unsafe extern "C" fn ZL_getNumOutputs(
    compressed: *const c_void,
    cSize: usize,
) -> ZL_Report

@brief Gets the number of outputs stored in a compressed frame.

Doesn’t need the whole frame, just enough to read the requested information.

@param compressed Pointer to compressed data @param cSize Size of compressed data @return Number of outputs, or error on failure (invalid frame, size too small, etc.)