integer num_coupler_procs
& num_coupler_procs,
& ( rank_coupler_procs(j),j=1,num_coupler_procs )
num_coupler_procs = 0
num_coupler_procs=num_coupler_procs + 1
rank_coupler_procs(num_coupler_procs) = ibuf(1)
if ( num_coupler_procs .ne. 1 ) then
num_coupler_procs=0
if (num_coupler_procs .ne. 1) then