| #ifndef hertz_h | |
| #define hertz_h | |
| #define HZ_WRONG 0 /* impossible clock frequency */ | |
| /* | |
| * Discover the tick frequency of the machine if something goes wrong, | |
| * we return HZ_WRONG, an impossible sampling frequency. | |
| */ | |
| extern int hertz (void); | |
| #endif /* hertz_h */ |