[#llvm-emitSNPrintf]
= xref:llvm.adoc[llvm]::emitSNPrintf
:relfileprefix: ../
:mrdocs:

Emit a call to the snprintf function.

== Synopsis

Declared in `<llvm/Transforms/Utils/BuildLibCalls.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:llvm/Value.adoc[Value]*
emitSNPrintf(
    xref:llvm/Value.adoc[Value]* Dest,
    xref:llvm/Value.adoc[Value]* Size,
    xref:llvm/Value.adoc[Value]* Fmt,
    xref:llvm/ArrayRef-08.adoc[ArrayRef<Value*>] Args,
    xref:llvm/IRBuilderBase.adoc[IRBuilderBase]& B,
    xref:llvm/TargetLibraryInfo.adoc[TargetLibraryInfo] const* TLI);
----

== Return Value

The snprintf call, or null if unavailable.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *Dest*
| Destination buffer pointer.
| *Size*
| Size of the destination buffer.
| *Fmt*
| Format string pointer.
| *Args*
| Additional variadic format arguments.
| *B*
| IR builder used to create the call.
| *TLI*
| Target library info describing available libcalls.
|===


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