[#BloombergLP-balber-BerUtil_DateAndTimeHeaderImpUtil-isReserved]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balber.adoc[balber]::xref:BloombergLP/balber/BerUtil_DateAndTimeHeaderImpUtil.adoc[BerUtil_DateAndTimeHeaderImpUtil]::isReserved
:relfileprefix: ../../../
:mrdocs:

Return `true` if the specified `firstByte` of an encoded date‐and‐time value indicates it is in a format reserved for future use, and return `false` otherwise.

== Synopsis

Declared in `<balber_berutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
isReserved(unsigned char firstByte);
----

== Description

Note that this may indicate the value was encoded incorrectly or using a newer version of this component.

== Return Value

`true` if `firstByte` indicates a reserved format, and `false` otherwise

== Parameters

[cols="1,4"]
|===
| Name| Description
| *firstByte*
| first byte of an encoded date‐and‐time value
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#