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Description:

This code provides convenient functions for working with time.

Example:

#include <ccan/time/time.h>
#include <stdlib.h>
#include <stdio.h>
#include <err.h>

int main(int argc, char *argv[])
{
        struct timeval t;

        if (argc != 2)
                errx(1, "Usage: %s <diff in millisec>", argv[0]);

        t = time_now();
        if (argv[1][0] == '-')
                t = time_sub(t, time_from_msec(atol(argv[1]+1)));
        else
                t = time_add(t, time_from_msec(atol(argv[1])));

        printf("%lu.%06u\n",
               (unsigned long)t.tv_sec, (unsigned)t.tv_usec);
        return 0;
}

License: