[#BloombergLP-balber-BerUtil_StreambufUtil-peekChar]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balber.adoc[balber]::xref:BloombergLP/balber/BerUtil_StreambufUtil.adoc[BerUtil_StreambufUtil]::peekChar
:relfileprefix: ../../../
:mrdocs:

Read the next byte from the specified `streamBuf` without advancing the read position and load that byte into the specified `value`. Return 0 on success, and a non‐zero value otherwise. If this operation is not successful, the value of `*value` is unchanged. This operation fails if the input sequence of `streamBuf` is at its end.

== Synopsis

Declared in `<balber_berutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
int
peekChar(
    char* value,
    std::streambuf* streamBuf);
----


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