modbus_close.txt
792 Bytes
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
modbus_close(3)
===============
NAME
----
modbus_close - close a Modbus connection
SYNOPSIS
--------
*void modbus_close(modbus_t *'ctx');*
DESCRIPTION
-----------
The *modbus_close()* function shall close the connection established with the
backend set in the context.
RETURN VALUE
------------
There is no return value.
EXAMPLE
-------
[source,c]
-------------------
modbus_t *ctx;
ctx = modbus_new_tcp("127.0.0.1", 502);
if (modbus_connect(ctx) == -1) {
fprintf(stderr, "Connection failed: %s\n", modbus_strerror(errno));
modbus_free(ctx);
return -1;
}
modbus_close(ctx);
modbus_free(ctx);
-------------------
SEE ALSO
--------
linkmb:modbus_connect[3]
AUTHORS
-------
The libmodbus documentation was written by Stéphane Raimbault
<stephane.raimbault@gmail.com>