modbus_get_slave3
Get slave number in the context
Usage
int modbus_get_slave(modbus_t *ctx);
Overview
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.
Releases
2 releases since Debian 11 (Bullseye); the text changed 1 time.