[#ASN1_STRING_copy]
= ASN1_STRING_copy
:mrdocs:

Copy type, data, and flags from `str` into `dst.`

== Synopsis

Declared in `<openssl/asn1.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
ASN1_STRING_copy(
    xref:ASN1_STRING.adoc[ASN1_STRING]* dst,
    xref:ASN1_STRING.adoc[ASN1_STRING] const* str);
----

== Description

Preserves any ASN1_STRING_FLAG_EMBED bit already set on `dst.`

== Return Value

1 on success, or 0 on failure (including when `str` is NULL).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *dst*
| Destination string; must already be allocated.
| *str*
| Source ASN1_STRING whose contents are copied into `dst.`
|===


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