[#BloombergLP-bdlb-RandomDevice]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::RandomDevice
:relfileprefix: ../../
:mrdocs:

This `struct` provides a namespace for a suite of functions used for acquiring random numbers from the system.

== Synopsis

Declared in `<bdlb_randomdevice.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct RandomDevice;
----

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/RandomDevice/size_t.adoc[`size_t`] 
| Alias for `bsls::Types::size_type`, used for buffer sizes.
|===


== Static Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlb/RandomDevice/getRandomBytes.adoc[`getRandomBytes`] 
| Load random bytes from the system random number generator.
| xref:BloombergLP/bdlb/RandomDevice/getRandomBytesNonBlocking.adoc[`getRandomBytesNonBlocking`] 
| Load random bytes from the system non‐blocking random number generator.
|===



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