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diff --git a/sc4pd/headers/lang/ByteCodeArray.h b/sc4pd/headers/lang/ByteCodeArray.h
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+/*
+ SuperCollider real time audio synthesis system
+ Copyright (c) 2002 James McCartney. All rights reserved.
+ http://www.audiosynth.com
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+typedef unsigned char Byte;
+
+#define BYTE_CODE_CHUNK_SIZE 64
+
+typedef struct {
+ Byte *bytes;
+ Byte *ptr;
+ long size;
+} ByteCodeArray, *ByteCodes;
+
+extern ByteCodes gCompilingByteCodes;
+extern long totalByteCodes;
+
+void initByteCodes();
+void compileByte(long byte);
+void compileAndFreeByteCodes(ByteCodes byteCodes);
+void copyByteCodes(Byte *dest, ByteCodes byteCodes);
+ByteCodes getByteCodes();
+ByteCodes saveByteCodeArray();
+void restoreByteCodeArray(ByteCodes byteCodes);
+int byteCodeLength(ByteCodes byteCodes);
+void compileByteCodes(ByteCodes byteCodes);
+ByteCodes allocByteCodes();
+void reallocByteCodes(ByteCodes byteCodes);
+void freeByteCodes(ByteCodes byteCodes);
+int compileOpcode(long opcode, long operand1);
+void compileJump(long opcode, long jumplen);
+int compileNumber(unsigned long value);
+int compileNumber24(unsigned long value);
+