# OS_TPanic

## C Specification

  `#include <nitro/os.h>
  void OS_TPanic( const char *fmt, ...`

## Arguments

fmt | Character string output format (character string format)
... | Variable number of arguments

## Return Values

None.

## Description

This function outputs a character string.

Internally, this function calls `OS_VSNPrintf()`. Therefore the useable character string format (character string output format) is more restricted than it would be with `OS_Panic()`. However, you can save on the code and stack overhead by using this function instead of `OS_Panic()`.

The output format is:

`<filename>:<linenumber>` Panic: <string>

`<filename> <linenumber>` are the file name and line number describing this `OS_Panic()` function. `<string>` is created from `fmt` and the variable number of arguments.

This function is used for debugging, so the final ROM version (`FINALROM`) will only stop the program (just like `OS_Terminate()` ).

## Internal Operation

`OS_TPanic()` is actually a `#define` of `OSi_TPanic()`. `OSi_TPanic()` is compiled with weak symbols. Therefore you can overwrite them with your own function definitions.

## See Also

`OS_TWarning`, `OS_Terminate`

## Revision History

11/25/2004 Added description of weak symbols.
09/10/2004 Initial version