[#OPENSSL_uni2utf8]
= OPENSSL_uni2utf8
:mrdocs:

Convert a PKCS#12 BMPString (big‐endian UTF‐16) to a UTF‐8 C string.

== Synopsis

Declared in `<openssl/pkcs12.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
char*
OPENSSL_uni2utf8(
    unsigned char const* uni,
    int unilen);
----

== Return Value

Newly allocated UTF‐8 string, or NULL on error. Falls back to OPENSSL_uni2asc() if decoding fails. Caller frees with OPENSSL_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *uni*
| BMPString octets (even length).
| *unilen*
| Length of `uni` in bytes.
|===


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