Returns a time corresponding to @var{nhours} hours, @var{nmins}
minutes, and @var{nsecs} seconds. The arguments may not have mixed
signs: if any of them are positive, then none may be negative, and
Returns a time corresponding to @var{nhours} hours, @var{nmins}
minutes, and @var{nsecs} seconds. The arguments may not have mixed
signs: if any of them are positive, then none may be negative, and