技術標籤：# C++

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>


unsigned int system_hz;
void get_system_HZ() {
    long ticks;

    if ((ticks = sysconf(_SC_CLK_TCK)) == -1) {
        printf("Cannot get system clock ticks");
        exit(-1);
    }

    system_hz =
 
 (unsigned int) ticks;
}


int main(void)
{
    get_system_HZ();
    printf("%d\n", system_hz);
}