diff --git a/modbus/modbus.h b/modbus/modbus.h
index b328d70..b6182bb 100644
--- a/modbus/modbus.h
+++ b/modbus/modbus.h
@@ -1,21 +1,15 @@
-#ifndef MODBUS_H
-#define MODBUS_H
-
-#include <stdint.h>
-#include <stddef.h>
-
-unsigned int CRC16_Modbus(unsigned char* buf, int len);
-size_t read_coil_status(uint8_t address, uint16_t discret_input, unint8_t* buf, size_t buf_len);
-size_t read_coil_status_ans(unit8_t address, uint8_t meaning, unint8_t* buf, size_t buf_len);
-size_t read_input_status(uint8_t address, uint16_t discret_input, unint8_t* buf, size_t buf_len);
-size_t read_input_status_ans(unit8_t address, uint8_t meaning, unint8_t* buf, size_t buf_len);
-size_t read_holding_register(uint8_t address, uint16_t holding_reg, unint8_t* buf, size_t buf_len);
-size_t read_holding_register_ans(unit8_t address, uint8_t meaning, unint8_t* buf, size_t buf_len);
-size_t read_input_register(uint8_t address, uint16_t input_reg, unint8_t* buf, size_t buf_len);
-size_t read_input_register_ans(unit8_t address, uint8_t meaning, unint8_t* buf, size_t buf_len);
-size_t forse_single_coil(unit8_t address, uint16_t address_input, int on, unint8_t* buf, size_t buf_len);
-size_t forse_single_coil_ans(unit8_t address, uint16_t address_input, int on, unint8_t* buf, size_t buf_len);
-size_t preset_single_register(unit8_t address, uint16_t address_input, uint16_t recorded_value, unint8_t* buf, size_t buf_len);
-size_t preset_single_register_ans(unit8_t address, uint16_t address_input, uint16_t recorded_value, unint8_t* buf, size_t buf_len);
-
-#endif
+#ifndef MODBUS_H
+#define MODBUS_H
+
+#include <stdint.h>
+#include <stddef.h>
+
+unsigned int CRC16_Modbus(unsigned char* buf, int len);
+size_t read_input_status(uint8_t address, uint16_t discret_input, uint16_t quantity_reg,uint8_t* buf, size_t buf_len);
+int read_input_status_parse(uint8_t* buf, size_t buf_len, uint8_t* meaning);
+size_t read_input_register(uint8_t address, uint16_t input_reg, uint8_t* buf, size_t buf_len);
+int read_input_register_parse(uint8_t* buf, size_t buf_len, uint16_t* meaning);
+size_t forse_single_coil(uint8_t address, uint16_t address_input, int on, uint8_t* buf, size_t buf_len);
+int forse_single_coil_parse(uint8_t* buf, size_t buf_len);
+
+#endif