File: finddecl

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#!/bin/sh

exec perl -e '
open(CPP, "'"$CPP"' '$2'|grep -v ^#|");
while(<CPP>){
  chop($_);
  if($_ =~ /[ \t]+'$1'[ \t]*\(/){
    $decl=$_;
    until ($decl =~ /'$1'[ \t]*\(.*\)[ \t]*;/){
      $decl .= <CPP>;
      chop($decl);
    }

    $decl =~ /[ \t]*(.*)[ \t]*'$1'[ \t]*\((.*)\)[ \t]*;/;
    $rettype = $1;
    $args = $2;
    if($rettype =~ /^[ \t]*$/){
      $rettype = "int";
    }

    $rettype =~ s/[ \t]*extern[ \t]*//;
    $rettype =~ s/^[ \t]*//;
    $rettype =~ s/[ \t]*$//;

    @argv = split(",", $args);

    print "$rettype\n";

    foreach $arg (@argv){
      $arg =~ s/^[ \t]*//;
      $arg =~ s/[ \t]*$//;

      print "$arg\n";
    }

    close(CPP);
    exit(0);
  }
}

close(CPP);

print "Not found.\n";
exit(1);'