[#EC_GROUP_cmp]
= EC_GROUP_cmp
:mrdocs:

Compares two EC_GROUP objects

== Synopsis

Declared in `<openssl/ec.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EC_GROUP_cmp(
    xref:EC_GROUP.adoc[EC_GROUP] const* a,
    xref:EC_GROUP.adoc[EC_GROUP] const* b,
    xref:BN_CTX.adoc[BN_CTX]* ctx);
----

== Return Value

0 if the groups are equal, 1 if not, or ‐1 on error

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| first EC_GROUP object
| *b*
| second EC_GROUP object
| *ctx*
| BN_CTX object (optional)
|===


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