Function htmlSaveFileEnc 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn htmlSaveFileEnc(
    filename: *const c_char,
    cur: *mut _xmlDoc,
    encoding: *const c_char,
) -> c_int

Same as htmlSaveFileFormat with format set to 1.

UPSTREAM-PARITY

int htmlSaveFileEnc(const char *filename, xmlDoc *cur, const char *encoding);