Function mupdf_sys::fz_string_from_text_language

pub unsafe extern "C" fn fz_string_from_text_language(
    str_: *mut c_char, 
    lang: fz_text_language
) -> *mut c_char

Recover ISO 639 (639-{1,2,3,5}) language specification strings losslessly from a 15 bit fz_text_language code.

No validation is carried out. See note above.