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#!/bin/sh
awk '
BEGIN {
print
print "#include <ctype.h>"
print "#include <sys/types.h>"
print "#include <errno.h>"
print
print "#define ETHER_ADDR_LEN 6"
print
print "int ether_aton_r(u_char *dest, size_t len, const char *str);"
print
}
/^ether_aton_r/ {
print prevline
out = 1
}
{
if (out) print
else prevline = $0
}
/^}$/ {
if (out) exit(0)
}' $1 >$2
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