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ARCHIVE_READ_FILTER(3)		   BSD Library Functions Manual 	   ARCHIVE_READ_FILTER(3)

NAME
     archive_read_support_filter_all, archive_read_support_filter_bzip2,
     archive_read_support_filter_compress, archive_read_support_filter_gzip,
     archive_read_support_filter_lzma, archive_read_support_filter_none,
     archive_read_support_filter_xz, archive_read_support_filter_program,
     archive_read_support_filter_program_signature -- functions for reading streaming archives

LIBRARY
     Streaming Archive Library (libarchive, -larchive)

SYNOPSIS
     #include <archive.h>

     int
     archive_read_support_filter_all(struct archive *);

     int
     archive_read_support_filter_bzip2(struct archive *);

     int
     archive_read_support_filter_compress(struct archive *);

     int
     archive_read_support_filter_gzip(struct archive *);

     int
     archive_read_support_filter_lzma(struct archive *);

     int
     archive_read_support_filter_none(struct archive *);

     int
     archive_read_support_filter_xz(struct archive *);

     int
     archive_read_support_filter_program(struct archive *, const char *cmd);

     int
     archive_read_support_filter_program_signature(struct archive *, const char *cmd,
	 const void *signature, size_t signature_length);

DESCRIPTION
     archive_read_support_filter_bzip2(), archive_read_support_filter_compress(),
	     archive_read_support_filter_gzip(), archive_read_support_filter_lzma(),
	     archive_read_support_filter_none(), archive_read_support_filter_xz()
	     Enables auto-detection code and decompression support for the specified compression.
	     These functions may fall back on external programs if an appropriate library was not
	     available at build time.  Decompression using an external program is usually slower
	     than decompression through built-in libraries.  Note that ``none'' is always enabled
	     by default.
     archive_read_support_filter_all()
	     Enables all available decompression filters.
     archive_read_support_filter_program()
	     Data is fed through the specified external program before being dearchived.  Note
	     that this disables automatic detection of the compression format, so it makes no
	     sense to specify this in conjunction with any other decompression option.
     archive_read_support_filter_program_signature()
	     This feeds data through the specified external program but only if the initial bytes
	     of the data match the specified signature value.

RETURN VALUES
     These functions return ARCHIVE_OK if the compression is fully supported, ARCHIVE_WARN if the
     compression is supported only through an external program.

     archive_read_support_filter_none() always succeeds.

ERRORS
     Detailed error codes and textual descriptions are available from the archive_errno() and
     archive_error_string() functions.

SEE ALSO
     libarchive(3), archive_read(3), archive_read_data(3), archive_read_format(3),
     archive_read_format(3)

BSD					 February 2, 2012				      BSD
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