Function xmlSaveFormatFileEnc 

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

Save a document to a file with encoding and format.

UPSTREAM-PARITY

int xmlSaveFormatFileEnc(const char *filename, xmlDocPtr cur, const char *encoding, int format);