-/* lib/gunzip.c */
-int gzip_parse_header(const unsigned char *src, unsigned long len);
-int gunzip(void *, int, unsigned char *, unsigned long *);
-int zunzip(void *dst, int dstlen, unsigned char *src, unsigned long *lenp,
- int stoponerr, int offset);
-
-/**
- * gzwrite progress indicators: defined weak to allow board-specific
- * overrides:
- *
- * gzwrite_progress_init called on startup
- * gzwrite_progress called during decompress/write loop
- * gzwrite_progress_finish called at end of loop to
- * indicate success (retcode=0) or failure
- */
-void gzwrite_progress_init(u64 expected_size);
-
-void gzwrite_progress(int iteration,
- u64 bytes_written,
- u64 total_bytes);
-
-void gzwrite_progress_finish(int retcode,
- u64 totalwritten,
- u64 totalsize,
- u32 expected_crc,
- u32 calculated_crc);
-
-/**
- * decompress and write gzipped image from memory to block device
- *
- * @param src compressed image address
- * @param len compressed image length in bytes
- * @param dev block device descriptor
- * @param szwritebuf bytes per write (pad to erase size)
- * @param startoffs offset in bytes of first write
- * @param szexpected expected uncompressed length
- * may be zero to use gzip trailer
- * for files under 4GiB
- */
-int gzwrite(unsigned char *src, int len,
- struct blk_desc *dev,
- unsigned long szwritebuf,
- u64 startoffs,
- u64 szexpected);
-