modbus_set_bits_from_byte(3) Manual Page

void modbus_set_bits_from_byte(uint8_t *dest, int index, const uint8_t value);

The modbus_set_bits_from_byte function shall set many bits from a single byte. All 8 bits from the byte value will be written to dest array starting at index position.

There is no return values.

modbus_set_bits_from_byte(3) modbus_set_bits_from_bytes(3)

The libmodbus documentation was written by Stéphane Raimbault <stephane.raimbault@gmail.com>