Remove capslock delay on macOS

fixCapsLock.c

//effect goes away after rebooting, automation is recommended
void* handle = dlopen("/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/HIServices", RTLD_NOW);
    
xpc_connection_t conn = xpc_connection_create("com.apple.hiservices-xpcservice", NULL);

    if (conn == NULL) {
        NSLog(@"Error creating connection");
        return;
    }

    xpc_connection_set_event_handler(conn, ^(xpc_object_t event) {
        NSLog(@"[mydebug] Event: %@", event);
    });
    
    xpc_connection_resume(conn);
    
    xpc_object_t msg = xpc_dictionary_create(NULL, NULL, 0);
    xpc_dictionary_set_string(msg, "HIS_XPC_SELECTOR", "HIS_XPC_SetCapsLockDelayOverride:");

    xpc_object_t params = xpc_dictionary_create(NULL, NULL, 0);
    xpc_dictionary_set_bool(params, "capsLockDelayOverride", true);
    xpc_dictionary_set_value(msg, "HIS_XPC_PARAMETERS", params);

    xpc_connection_send_message_with_reply_sync(conn, msg);