Function xmlSwitchEncodingName 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlSwitchEncodingName(
    ctxt: *mut _xmlParserCtxt,
    encoding: *const c_char,
) -> c_int

Switch the input encoding by name.

UPSTREAM-PARITY

int xmlSwitchEncodingName(xmlParserCtxtPtr ctxt, const char *encoding);