[#BloombergLP-bdlbb-BlobUtil-write-0c6]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlbb.adoc[bdlbb]::xref:BloombergLP/bdlbb/BlobUtil.adoc[BlobUtil]::write
:relfileprefix: ../../../
:mrdocs:

Write to the specified `stream` the specified `numBytes` starting at the specified `sourcePosition` in the specified `source` blob. Return 0 on success or a non‐zero value otherwise. Note that this function will fail (immediately) if the length of `source` is less than `numBytes`; or if there is any error writing to `stream`.

== Synopsis

Declared in `<bdlbb_blobutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class STREAM>
static
int
write(
    STREAM& stream,
    xref:BloombergLP/bdlbb/Blob.adoc[Blob] const& source,
    int sourcePosition,
    int numBytes);
----


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