[#OPENSSL_LH_COMPFUNC]
= OPENSSL_LH_COMPFUNC
:mrdocs:

Comparison callback returning <0 / 0 / >0 for two LHASH element pointers.

== Synopsis

Declared in `<openssl/lhash.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef int(* OPENSSL_LH_COMPFUNC)(void const*, void const*);
----

== Return Value

Negative, zero, or positive as in strcmp()‐style ordering.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| First element pointer.
| *b*
| Second element pointer.
|===


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