1*3d8817e4Smiod #ifndef hertz_h
2*3d8817e4Smiod #define hertz_h
3*3d8817e4Smiod 
4*3d8817e4Smiod #define	HZ_WRONG 0		/* impossible clock frequency */
5*3d8817e4Smiod 
6*3d8817e4Smiod /*
7*3d8817e4Smiod  * Discover the tick frequency of the machine if something goes wrong,
8*3d8817e4Smiod  * we return HZ_WRONG, an impossible sampling frequency.
9*3d8817e4Smiod  */
10*3d8817e4Smiod 
11*3d8817e4Smiod extern int hertz (void);
12*3d8817e4Smiod 
13*3d8817e4Smiod #endif /* hertz_h */
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