SYNOPSIS

int modbus_get_slave(modbus_t *ctx);

DESCRIPTION

The modbus_get_slave() function shall get the slave number in the libmodbus context.

RETURN VALUE

The function shall return the slave number if successful. Otherwise it shall return -1 and set errno to one of the values defined below.

ERRORS

EINVAL

The libmodbus context is undefined.

SEE ALSO

modbus_set_slave(3)

AUTHORS

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