[#bsl-stoul-0f]
= xref:bsl.adoc[bsl]::stoul
:relfileprefix: ../
:mrdocs:

Parse the specified `str` as an unsigned long integer.

== Synopsis

Declared in `<bslstl_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
unsigned long
stoul(
    xref:bsl/string.adoc[string] const& str,
    std::size_t* pos = 0,
    int base = 10);
----

== Return Value

`unsigned long` value parsed from `str`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *str*
| string to parse
| *pos*
| optional output for the index after the parsed value
| *base*
| numeric base for parsing (0 or 2..36)
|===


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