1#!/bin/sh
2
3awk '
4BEGIN {
5          print
6          print "#include <ctype.h>"
7          print "#include <sys/types.h>"
8          print "#include <errno.h>"
9          print
10          print "#define ETHER_ADDR_LEN 6"
11          print
12          print "int ether_aton_r(u_char *dest, size_t len, const char *str);"
13          print
14}
15/^ether_aton_r/ {
16          print prevline
17          out = 1
18}
19{
20          if (out) print
21          else prevline = $0
22}
23/^}$/ {
24          if (out) exit(0)
25}' $1 >$2
26