before_t          756 lib/common/strings.c     struct timespec before_t;
before_t          764 lib/common/strings.c     clock_gettime(CLOCK_MONOTONIC, &before_t);
before_t          786 lib/common/strings.c              (after_t.tv_sec - before_t.tv_sec) * 1000 +
before_t          787 lib/common/strings.c              (after_t.tv_nsec - before_t.tv_nsec) / 1e6);