[#llvm-decodeULEB128AndInc]
= xref:llvm.adoc[llvm]::decodeULEB128AndInc
:relfileprefix: ../
:mrdocs:

Decode a ULEB128 value and advance the pointer past the encoded bytes.

== Synopsis

Declared in `<llvm/Support/LEB128.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint64_t
decodeULEB128AndInc(
    uint8_t const*& p,
    uint8_t const* end,
    char const** error = nullptr);
----

== Return Value

The decoded unsigned value, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *p*
| Pointer to the encoded bytes; advanced by the number of bytes read.
| *end*
| Optional end of buffer; decoding stops with an error if reached.
| *error*
| If non‐null, receives a static error message on failure.
|===


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