[−][src]Function harfbuzz_sys::hb_font_funcs_set_user_data
pub unsafe extern "C" fn hb_font_funcs_set_user_data(
ffuncs: *mut hb_font_funcs_t,
key: *mut hb_user_data_key_t,
data: *mut c_void,
destroy: hb_destroy_func_t,
replace: hb_bool_t
) -> hb_bool_t