1#@!#!123s

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Filename : _sockstat

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#compdef sockstat

local tmp_proto protocols proto

tmp_proto=(${${(M)${(f)"$(</etc/protocols)"}##[a-z0-9]*}})
for proto ($tmp_proto) {
	case $proto in
	*\#*)
		protocols=($protocols ${${(j: :)${=proto}}// *\# /:})
		;;
	*)
		protocols=($protocols ${${(j: :)${=proto}}// */})
	esac
}

_arguments -s \
	'-4[show AF_INET (IPv4) sockets]' \
	'-6[show AF_INET6 (IPv6) sockets]' \
	'-c[show connected sockets]' \
	'-l[show listening sockets]' \
	'-u[show AF_LOCAL (UNIX) sockets]' \
	'-p[only show Internet sockets if the port number is on the specified list]' \
	'-P[only show sockets of the specified protocols]:protocols:(($protocols))'