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<HTML
><HEAD
><TITLE
>yaz_errno</TITLE
><META
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><DIV
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><A
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></A
><P
> (PHP4 >= 4.0.1)</P
>yaz_errno -- Returns error number</DIV
><DIV
CLASS="refsect1"
><A
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></A
><H2
>Description</H2
><DIV
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><A
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></A
><P
></P
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="function"
>yaz_errno</B
></CODE
> (int id)</CODE
></P
><P
></P
></DIV
><P
> Returns error for target (last request). A positive value is
returned if the target returned a diagnostic code; a value of
zero is returned if no errors occurred (success); negative value
is returned for other errors targets didn't indicate the error in
question.
</P
><P
> <B
CLASS="function"
>Yaz_errno()</B
> should be called after network
activity for each target - (after <A
HREF="function.yaz-wait.html"
><B
CLASS="function"
>yaz_wait()</B
></A
>
returns) to determine the success or failure of the last
operation (e.g. search).
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