[#ASN1_OCTET_STRING_cmp]
= ASN1_OCTET_STRING_cmp
:mrdocs:

Compare two ASN.1 OCTET STRING values lexicographically by content.

== Synopsis

Declared in `<openssl/asn1.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
ASN1_OCTET_STRING_cmp(
    xref:ASN1_OCTET_STRING.adoc[ASN1_OCTET_STRING] const* a,
    xref:ASN1_OCTET_STRING.adoc[ASN1_OCTET_STRING] const* b);
----

== Return Value

Negative, zero, or positive like memcmp according to the content bytes.

== Parameters

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


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