[#OSSL_PARAM_BLD_push_utf8_string]
= OSSL&lowbar;PARAM&lowbar;BLD&lowbar;push&lowbar;utf8&lowbar;string
:mrdocs:

Append a UTF&hyphen;8 string parameter by reference until OSSL&lowbar;PARAM&lowbar;BLD&lowbar;to&lowbar;param()&period;

== Synopsis

Declared in `&lt;openssl&sol;param&lowbar;build&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL&lowbar;PARAM&lowbar;BLD&lowbar;push&lowbar;utf8&lowbar;string(
    xref:OSSL_PARAM_BLD.adoc[OSSL&lowbar;PARAM&lowbar;BLD]* bld,
    char const* key,
    char const* buf,
    size&lowbar;t bsize);
----

== Return Value

1 on success, or 0 on error&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bld*
| Parameter builder&period;
| *key*
| Parameter name string&period;
| *buf*
| UTF&hyphen;8 string (NUL not counted in `bsize)&semi;` must remain in scope until to&lowbar;param&period;
| *bsize*
| Length of `buf` excluding NUL, or 0 to compute via strlen()&period;
|===


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