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/* ISC license. */
#include <skalibs/tai.h>
int tain_sub (tain_t *t, tain_t const *u, tain_t const *v)
{
tain_t tt ;
tt.sec.x = u->sec.x - v->sec.x ;
tt.nano = u->nano - v->nano ;
if (tt.nano > u->nano)
{
tt.sec.x-- ;
tt.nano += 1000000000U ;
}
*t = tt ;
return 1 ;
}
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