Function louis_sys::lou_readCharFromFile

pub unsafe extern "C" fn lou_readCharFromFile(
    fileName: *const c_char, 
    mode: *mut c_int
) -> c_int

Read a character from a file, whether big-encian, little-endian or ASCII8

and return it as an integer. EOF at end of file. Mode = 1 on first call, any other value thereafter