double precision ebr,d0cm,akcm,akth,akct,v1ss,v2ss,v3ss,dhpb,
     & forcon,weidis
      integer ns,nss,nfree,iss,ihpb,jhpb,nhpb,link_start,link_end
      common /sbridge/ ebr,d0cm,akcm,akth,akct,v1ss,v2ss,v3ss,ns,nss,
     &  nfree,iss(maxss)
      common /links/ dhpb(maxdim),forcon(maxdim),ihpb(maxdim),
     & jhpb(maxdim),nhpb
      common /restraints/ weidis
      common /links_split/ link_start,link_end