/* ISC license. */ #include int tain_add (tain_t *t, tain_t const *u, tain_t const *v) { t->sec.x = u->sec.x + v->sec.x ; t->nano = u->nano + v->nano ; if (t->nano > 999999999U) { t->sec.x++ ; t->nano -= 1000000000U ; } return 1 ; }