# server_client_key_table_activity_diff

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/server-client.c#L254
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-function-server-client-c-server_client_key_table_activity_diff/

```c
static uint64_t server_client_key_table_activity_diff(struct client *c)
```

## Parameters

- `c` (`struct client *`)

## Referenced by

- [`server_client_key_callback`](/en/tmux/3.7c/reference/c-function-server-client-c-server_client_key_callback/) (function)

## Referenced declarations

- [`client.activity_time`](/en/tmux/3.7c/reference/c-struct-client-activity_time/) (attribute)
- [`key_table.activity_time`](/en/tmux/3.7c/reference/c-struct-key_table-activity_time/) (attribute)
- [`client`](/en/tmux/3.7c/reference/c-struct-client/) (struct)
- [`client.keytable`](/en/tmux/3.7c/reference/c-struct-client-keytable/) (attribute)
- [`timersub`](/en/tmux/3.7c/reference/c-define-compat-h-timersub/) (constant)