Synopsis
		sfhdefd < Fwav.rsf con=Fcon.rsf sou=Fsou.rsf rec=Frec.rsf wfl=Fwfl.rsf > Fdat.rsf verb=n snap=n free=n jdata=1 jsnap=nt nqz=sf_n(az) nqx=sf_n(ax) oqz=sf_o(az) oqx=sf_o(ax)

Parameters
		file con= auxiliary input file name   bool free=n [y/n] free surface flag   int jdata=1 # of t steps at which to save receiver data   int jsnap=nt # of t steps at which to save wavefield   int nqx=sf_n(ax)   int nqz=sf_n(az)   float oqx=sf_o(ax)   float oqz=sf_o(az)   file rec= auxiliary input file name   bool snap=n [y/n] wavefield snapshots flag   file sou= auxiliary input file name   bool verb=n [y/n] verbosity flag   file wfl= auxiliary output file name