1 #ifndef hertz_h 2 #define hertz_h 3 4 #include "gprof.h" 5 6 #define HZ_WRONG 0 /* impossible clock frequency */ 7 8 /* 9 * Discover the tick frequency of the machine if something goes wrong, 10 * we return HZ_WRONG, an impossible sampling frequency. 11 */ 12 13 extern int hertz PARAMS ((void)); 14 15 #endif /* hertz_h */ 16