psrdada-sys 0.2.0

#include <sys/time.h>

double diff_time ( struct timeval time1, struct timeval time2 )
{
   return ( (double)( time2.tv_sec - time1.tv_sec ) +
             ( (double)( time2.tv_usec - time1.tv_usec ) / 1000000.0 ) );
}