#ifndef SPLIT_KEYBOARD_UTIL_H#define SPLIT_KEYBOARD_UTIL_H#include<stdbool.h>#include"eeconfig.h"#define SLAVE_I2C_ADDRESS 0x32externvolatileboolisLeftHand;externvolatileboolcontacted_by_master;boolhas_usb(void);// slave version of matix scan, defined in matrix.cvoidmatrix_slave_scan(void);#endif