* in order of decreasing length
* KMPS_FOUND(kmp,src,search) ... called for every match (in search->out)
* KMPS_WANT_BEST algorithm computes globally longest match, which is available
* in order of decreasing length
* KMPS_FOUND(kmp,src,search) ... called for every match (in search->out)
* KMPS_WANT_BEST algorithm computes globally longest match, which is available