[#OBJ_bsearch_ex_]
= OBJ_bsearch_ex_
:mrdocs:

Binary‐search a sorted object table with optional flags (internal helper).

== Synopsis

Declared in `<openssl/objects.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void const*
OBJ_bsearch_ex_(
    void const* key,
    void const* base,
    int num,
    int size,
    int(* cmp)(void const*, void const*),
    int flags);
----

== Return Value

Pointer to the matching element, or NULL / a related pointer depending on `flags.`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *key*
| Pointer to the search key.
| *base*
| Pointer to the first element of the sorted array.
| *num*
| Number of elements in the array.
| *size*
| Size of each element in bytes.
| *cmp*
| Comparison function returning negative, zero, or positive.
| *flags*
| Search flags such as OBJ_BSEARCH_VALUE_ON_NOMATCH.
|===


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