Function xmlDetectCharEncoding 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlDetectCharEncoding(
    in_: *const c_uchar,
    len: c_int,
) -> c_int

Detect the character encoding of a buffer from its initial bytes.

UPSTREAM-PARITY

xmlCharEncoding xmlDetectCharEncoding(const unsigned char *in, int len);