[#ASN1_STRING_clear_free]
= ASN1_STRING_clear_free
:mrdocs:

Zero the content octets then free an ASN.1 string.

== Synopsis

Declared in `<openssl/asn1.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
ASN1_STRING_clear_free(xref:ASN1_STRING.adoc[ASN1_STRING]* a);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| String to cleanse and free, or NULL.
|===


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