C: Print the USER_HZ for a platform

gistfile1.c

/* CPU values in /proc/stat are measured in USER_HZ which is
generally 1/100th of a second, but you can verify with this.
See http://man7.org/linux/man-pages/man5/proc.5.html
*/
#include <unistd.h>
#include <stdio.h>

int main()
{
    printf("USER_HZ is %d\n", sysconf(_SC_CLK_TCK));
    return 0;
}