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<HTML
><HEAD
><TITLE
>gzseek</TITLE
><META
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><H1
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>gzseek</A
></H1
><DIV
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></A
><P
> (PHP3 , PHP4 )</P
>gzseek -- Seek on a gz-file pointer</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN41153"
></A
><H2
>Description</H2
><DIV
CLASS="funcsynopsis"
><A
NAME="AEN41155"
></A
><P
></P
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="function"
>gzseek</B
></CODE
> (int zp, int offset)</CODE
></P
><P
></P
></DIV
><P
> Sets the file position indicator for the file referenced by zp to
offset bytes into the file stream. Equivalent to calling (in C)
<TT
CLASS="literal"
>gzseek( zp, offset, SEEK_SET )</TT
>.
</P
><P
> If the file is opened for reading, this function is emulated but
can be extremely slow. If the file is opened for writing, only
forward seeks are supported; gzseek then compresses a sequence of
zeroes up to the new starting position.
</P
><P
> Upon success, returns 0; otherwise, returns -1. Note that seeking
past EOF is not considered an error.
</P
><P
> See also <A
HREF="function.gztell.html"
><B
CLASS="function"
>gztell()</B
></A
> and
<A
HREF="function.gzrewind.html"
><B
CLASS="function"
>gzrewind()</B
></A
>.
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