3 [ $# -eq 1 ] && header_dir
=$1 || header_dir
=tools
/include
/uapi
/linux
/
5 printf "static const char *socket_ipproto[] = {\n"
6 regex
='^[[:space:]]+IPPROTO_(\w+)[[:space:]]+=[[:space:]]+([[:digit:]]+),.*'
8 egrep $regex ${header_dir}/in.h | \
9 sed -r "s/$regex/\2 \1/g" | \
10 sort |
xargs printf "\t[%s] = \"%s\",\n"