Function leptess::capi::readHeaderMemPng

pub unsafe extern "C" fn readHeaderMemPng(
    data: *const u8, 
    size: u64, 
    pw: *mut i32, 
    ph: *mut i32, 
    pbps: *mut i32, 
    pspp: *mut i32, 
    piscmap: *mut i32
) -> i32