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These
functions provide access to various information about the object used
in the library. Clears any error information left over from a previous
call. Not generally used in client code. Returns a numeric code indicating
the current compression. This value is set by Returns a text description
of the current compression suitable for display. Copies error information
from one archive to another. Returns a numeric error code (see indicating
the reason for the most recent error return. Returns a textual error message
suitable for display. The error message here is usually more specific than
that obtained from passing the result of to Returns a numeric code indicating
the format of the current archive entry. This value is set by a successful
call to Note that it is common for this value to change from entry to
entry. For example, a tar archive might have several entries that utilize
GNU tar extensions and several entries that do not. These entries will have
different format codes. A textual description of the format of the current
entry. Sets the numeric error code and error description that will be returned
by and This function should be used within I/O callbacks to set system-specific
error codes and error descriptions. This function accepts a printf-like format
string and arguments. However, you should be careful to use only the following
printf format specifiers: Field-width specifiers and other
printf features are not uniformly supported and should not be used.
The library first appeared in
The library was
written by
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