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MODBUS_GET_SLAVE(3) libmodbus Manual MODBUS_GET_SLAVE(3)

NAME

modbus_get_slave - get slave number in the context

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>

12/09/2019 libmodbus v3.1.6