modbus_close(3)

modbus_close3

Close a modbus connection

Usage

void modbus_close(modbus_t *ctx);

Overview

The modbus_close() function shall close the connection established with the backend set in the context.

Return value

There is no return value.

Examples

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);

Releases

6 releases since Debian 7 (Wheezy); the text changed 5 times.

  1. 7
  2. 8
  3. 9
  4. 10
  5. 11
  6. 12

Authors

The libmodbus documentation was written by Stéphane Raimbault <[email protected]>

From libmodbus-dev 3.1.6-2.1 in Debian 12 (Bookworm). Parsed by carta from the page's man source.