[Main]
Name=tifiles_flash_os_file_ext
Type=Function
Header=file_int.h
Definition=const char* tifiles_flash_os_file_ext (void);

[Parameters]
Returns : a string.

[Summary]
Returns the file extension of AMS uprades for the current calculator.

[Explanation]
If a TI89 is defined, returns ".89k".
Returns ".???" otherwise.

Note: this function is contextual.