Function dwg_dynapi_header_utf8text 

pub unsafe extern "C" fn dwg_dynapi_header_utf8text(
    dwg: *const Dwg_Data,
    fieldname: *const c_char,
    textp: *mut *mut c_char,
    isnewp: *mut c_int,
    fp: *mut Dwg_DYNAPI_field,
) -> bool