ÿØÿà JFIF    ÿÛ C    !"$"$ÿÛ C  ÿ p " ÿÄ     ÿÄ   ÿÚ   ÕÔË® (% aA*‚XYD¡(J„¡E¢RE,P€XYae )(E¤²€B¤R¥ BQ¤¢ X«)X…€¤  @ .............................................................................................................................................................................. ............................................................................. ÿØÿà JFIF    ÿÛ C    !"$"$ÿÛ C  ÿ p " ÿÄ     ÿÄ   ÿÚ   ÕÔË® (% aA*‚XYD¡(J„¡E¢RE,P€XYae )(E¤²€B¤R¥ BQ¤¢ X«)X…€¤  @ .............................................................................................................................................................................. ............................................................................. emulate -L zsh setopt extendedglob cbases if [[ $# -ne 1 ]]; then print "Usage: $0 port Listen on the given port; send anything that arrives to standard output." >&2 return 1 fi local REPLY lfd afd if ! ztcp -l $1; then print "Failed to listen on port $1" >&2 return 1 fi lfd=$REPLY if ! ztcp -a $lfd; then print "Failed to accept on fd $lfd" >&2 ztcp -c $lfd fi afd=$REPLY cat <&$afd ztcp -c $lfd ztcp -c $afd