One of the following values are returned from the various FPInterface methods.
| Macros | |
| #define | FPS_FAIL 0 | 
| Indicates a failure.  More... | |
| #define | FPS_NO_SUCH_FUNCTION -1 | 
| The function called does not exist.  More... | |
| #define | FPS_ACTION_DISABLED -2 | 
| The action is disabled.  More... | |
| #define | FPS_OK 1 | 
| Indicates a success.  More... | |
| #define FPS_FAIL 0 | 
Indicates a failure.
| #define FPS_NO_SUCH_FUNCTION -1 | 
The function called does not exist.
| #define FPS_ACTION_DISABLED -2 | 
The action is disabled.
| #define FPS_OK 1 | 
Indicates a success.