# fatalx

- **Language:** C
- **Kind:** function
- **Source:** https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/log.c#L159
- **Page:** https://libtmux.org/en/tmux/3.2a/reference/c-function-fatalx/

```c
void fatalx(const char *msg,...)
```

## Parameters

- `msg` (`const char *`)
- `` (`...`)

## Called by

- [`client_dispatch_attached`](/en/tmux/3.2a/reference/c-function-client-c-client_dispatch_attached/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/client.c#L726)
- [`client_dispatch_exit_message`](/en/tmux/3.2a/reference/c-function-client-c-client_dispatch_exit_message/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/client.c#L598)
- [`client_dispatch_wait`](/en/tmux/3.2a/reference/c-function-client-c-client_dispatch_wait/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/client.c#L651)
- [`cmd_display_panes_draw_pane`](/en/tmux/3.2a/reference/c-function-cmd-display-panes-c-cmd_display_panes_draw_pane/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-display-panes.c#L113)
- [`cmd_find_target`](/en/tmux/3.2a/reference/c-function-cmd_find_target/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-find.c#L987)
- [`cmd_pipe_pane_exec`](/en/tmux/3.2a/reference/c-function-cmd-pipe-pane-c-cmd_pipe_pane_exec/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-pipe-pane.c#L171)
- [`cmdq_free`](/en/tmux/3.2a/reference/c-function-cmdq_free/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/cmd-queue.c#L137)
- [`control_append_data`](/en/tmux/3.2a/reference/c-function-control-c-control_append_data/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/control.c#L619)
- [`file_create_with_client`](/en/tmux/3.2a/reference/c-function-file_create_with_client/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/file.c#L112)
- [`file_create_with_peer`](/en/tmux/3.2a/reference/c-function-file_create_with_peer/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/file.c#L83)
- [`file_read_data`](/en/tmux/3.2a/reference/c-function-file_read_data/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/file.c#L787)
- [`file_read_done`](/en/tmux/3.2a/reference/c-function-file_read_done/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/file.c#L811)
- [`file_read_open`](/en/tmux/3.2a/reference/c-function-file_read_open/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/file.c#L709)
- [`file_write_close`](/en/tmux/3.2a/reference/c-function-file_write_close/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/file.c#L626)
- [`file_write_data`](/en/tmux/3.2a/reference/c-function-file_write_data/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/file.c#L607)
- [`file_write_open`](/en/tmux/3.2a/reference/c-function-file_write_open/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/file.c#L550)
- [`file_write_ready`](/en/tmux/3.2a/reference/c-function-file_write_ready/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/file.c#L765)
- [`format_cb_pane_tabs`](/en/tmux/3.2a/reference/c-function-format-c-format_cb_pane_tabs/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L910)
- [`format_cb_session_attached_list`](/en/tmux/3.2a/reference/c-function-format-c-format_cb_session_attached_list/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L523)
- [`format_cb_session_group_attached_list`](/en/tmux/3.2a/reference/c-function-format-c-format_cb_session_group_attached_list/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L999)
- [`format_cb_session_group_list`](/en/tmux/3.2a/reference/c-function-format-c-format_cb_session_group_list/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L966)
- [`format_cb_window_active_clients_list`](/en/tmux/3.2a/reference/c-function-format-c-format_cb_window_active_clients_list/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L744)
- [`format_cb_window_active_sessions_list`](/en/tmux/3.2a/reference/c-function-format-c-format_cb_window_active_sessions_list/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L684)
- [`format_cb_window_linked_sessions_list`](/en/tmux/3.2a/reference/c-function-format-c-format_cb_window_linked_sessions_list/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/format.c#L632)
- [`grid_extended_cell`](/en/tmux/3.2a/reference/c-function-grid-c-grid_extended_cell/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/grid.c#L122)
- [`input_init`](/en/tmux/3.2a/reference/c-function-input_init/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/input.c#L813)
- [`input_parse`](/en/tmux/3.2a/reference/c-function-input-c-input_parse/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/input.c#L911)
- [`job_run`](/en/tmux/3.2a/reference/c-function-job_run/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/job.c#L190)
- [`key_bindings_init`](/en/tmux/3.2a/reference/c-function-key_bindings_init/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/key-bindings.c#L635)
- [`layout_count_cells`](/en/tmux/3.2a/reference/c-function-layout_count_cells/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/layout.c#L329)
- [`layout_make_node`](/en/tmux/3.2a/reference/c-function-layout_make_node/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/layout.c#L191)
- [`layout_split_pane`](/en/tmux/3.2a/reference/c-function-layout_split_pane/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/layout.c#L908)
- [`options_default_to_string`](/en/tmux/3.2a/reference/c-function-options_default_to_string/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/options.c#L314)
- [`options_get_number`](/en/tmux/3.2a/reference/c-function-options_get_number/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/options.c#L705)
- [`options_get_string`](/en/tmux/3.2a/reference/c-function-options_get_string/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/options.c#L692)
- [`options_parent_table_entry`](/en/tmux/3.2a/reference/c-function-options-c-options_parent_table_entry/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/options.c#L116)
- [`options_set_number`](/en/tmux/3.2a/reference/c-function-options_set_number/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/options.c#L757)
- [`options_set_string`](/en/tmux/3.2a/reference/c-function-options_set_string/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/options.c#L744)
- [`options_value_to_string`](/en/tmux/3.2a/reference/c-function-options-c-options_value_to_string/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/options.c#L161)
- [`screen_resize_y`](/en/tmux/3.2a/reference/c-function-screen-c-screen_resize_y/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/screen.c#L288)
- [`screen_write_collect_flush`](/en/tmux/3.2a/reference/c-function-screen-write-c-screen_write_collect_flush/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/screen-write.c#L1583)
- [`screen_write_combine`](/en/tmux/3.2a/reference/c-function-screen-write-c-screen_write_combine/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/screen-write.c#L1879)
- [`server_client_dispatch`](/en/tmux/3.2a/reference/c-function-server-client-c-server_client_dispatch/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/server-client.c#L2053)
- [`server_client_dispatch_command`](/en/tmux/3.2a/reference/c-function-server-client-c-server_client_dispatch_command/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/server-client.c#L2141)
- [`server_client_dispatch_identify`](/en/tmux/3.2a/reference/c-function-server-client-c-server_client_dispatch_identify/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/server-client.c#L2200)
- [`server_start`](/en/tmux/3.2a/reference/c-function-server_start/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/server.c#L195)
- [`status_redraw`](/en/tmux/3.2a/reference/c-function-status_redraw/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/status.c#L344)
- [`tty_clamp_area`](/en/tmux/3.2a/reference/c-function-tty-c-tty_clamp_area/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/tty.c#L1108)
- [`tty_clamp_line`](/en/tmux/3.2a/reference/c-function-tty-c-tty_clamp_line/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/tty.c#L1014)
- [`tty_term_flag`](/en/tmux/3.2a/reference/c-function-tty_term_flag/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/tty-term.c#L809)
- [`tty_term_number`](/en/tmux/3.2a/reference/c-function-tty_term_number/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/tty-term.c#L799)
- [`tty_term_string`](/en/tmux/3.2a/reference/c-function-tty_term_string/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/tty-term.c#L757)
- [`utf8_append`](/en/tmux/3.2a/reference/c-function-utf8_append/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/utf8.c#L288)
- [`utf8_from_data`](/en/tmux/3.2a/reference/c-function-utf8_from_data/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/utf8.c#L132)
- [`winlink_find_by_index`](/en/tmux/3.2a/reference/c-function-winlink_find_by_index/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/window.c#L114)
- [`xcalloc`](/en/tmux/3.2a/reference/c-function-xcalloc/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/xmalloc.c#L46)
- [`xmalloc`](/en/tmux/3.2a/reference/c-function-xmalloc/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/xmalloc.c#L32)
- [`xreallocarray`](/en/tmux/3.2a/reference/c-function-xreallocarray/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/xmalloc.c#L66)
- [`xrecallocarray`](/en/tmux/3.2a/reference/c-function-xrecallocarray/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/xmalloc.c#L80)
- [`xstrdup`](/en/tmux/3.2a/reference/c-function-xstrdup/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/xmalloc.c#L94)
- [`xstrndup`](/en/tmux/3.2a/reference/c-function-xstrndup/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/xmalloc.c#L104)
- [`xvasprintf`](/en/tmux/3.2a/reference/c-function-xvasprintf/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/xmalloc.c#L129)
- [`xvsnprintf`](/en/tmux/3.2a/reference/c-function-xvsnprintf/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/xmalloc.c#L153)

## Calls

- [`log_vwrite`](/en/tmux/3.2a/reference/c-function-log-c-log_vwrite/) (function) [Call site](https://github.com/tmux/tmux/blob/3b929f332aafa7f1080eacc31feb11ffbb1d1841/log.c#L167)

## Referenced by

- [`session_new`](/en/tmux/3.2a/reference/c-function-session_new/) (function)