[#BloombergLP-balxml-Decoder-open-06]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balxml.adoc[balxml]::xref:BloombergLP/balxml/Decoder.adoc[Decoder]::open
:relfileprefix: ../../../
:mrdocs:

Open the associated `Reader` object (see `Reader::open`) to read XML data from memory at the specified `buffer`, with the specified `length`. The (optionally) specified `uri` is used for identifying the input document in error messages. Return 0 on success and non‐zero otherwise.

== Synopsis

Declared in `<balxml_decoder.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
open(
    char const* buffer,
    std::size_t length,
    char const* uri = 0);
----


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