lzop: new applet. Busyboxed by Alain Knaff. +7700 bytes.

diff --git a/archival/liblzo_interface.h b/archival/liblzo_interface.h
new file mode 100644
index 0000000..9a84c0b
--- /dev/null
+++ b/archival/liblzo_interface.h
@@ -0,0 +1,71 @@
+/*
+   This file is part of the LZO real-time data compression library.
+
+   Copyright (C) 1996..2008 Markus Franz Xaver Johannes Oberhumer
+   All Rights Reserved.
+
+   Markus F.X.J. Oberhumer <markus@oberhumer.com>
+   http://www.oberhumer.com/opensource/lzo/
+
+   The LZO library 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.
+
+   The LZO library 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 the LZO library; see the file COPYING.
+   If not, write to the Free Software Foundation, Inc.,
+   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#define LZO1X
+#undef LZO1Y
+
+#undef assert
+/*
+static void die_at(int line)
+{
+        bb_error_msg_and_die("internal error at %d", line);
+}
+#define assert(v) if (!(v)) die_at(__LINE__)
+*/
+#define assert(v) ((void)0)
+
+int lzo1x_1_compress(const uint8_t* src, unsigned src_len,
+		uint8_t* dst, unsigned* dst_len,
+		void* wrkmem);
+int lzo1x_1_15_compress(const uint8_t* src, unsigned src_len,
+		uint8_t* dst, unsigned* dst_len,
+		void* wrkmem);
+int lzo1x_999_compress_level(const uint8_t* in, unsigned in_len,
+		uint8_t* out, unsigned* out_len,
+		void* wrkmem,
+		int compression_level);
+
+/* decompression */
+//int lzo1x_decompress(const uint8_t* src, unsigned src_len,
+//		uint8_t* dst, unsigned* dst_len,
+//		void* wrkmem /* NOT USED */);
+/* safe decompression with overrun testing */
+int lzo1x_decompress_safe(const uint8_t* src, unsigned src_len,
+		uint8_t* dst, unsigned* dst_len,
+		void* wrkmem /* NOT USED */);
+
+#define LZO_E_OK                    0
+#define LZO_E_ERROR                 (-1)
+#define LZO_E_OUT_OF_MEMORY         (-2)    /* [not used right now] */
+#define LZO_E_NOT_COMPRESSIBLE      (-3)    /* [not used right now] */
+#define LZO_E_INPUT_OVERRUN         (-4)
+#define LZO_E_OUTPUT_OVERRUN        (-5)
+#define LZO_E_LOOKBEHIND_OVERRUN    (-6)
+#define LZO_E_EOF_NOT_FOUND         (-7)
+#define LZO_E_INPUT_NOT_CONSUMED    (-8)
+#define LZO_E_NOT_YET_IMPLEMENTED   (-9)    /* [not used right now] */
+
+/* lzo-2.03/include/lzo/lzoconf.h */
+#define LZO_VERSION   0x2030