[#SSL_CONF_CTX_set1_prefix]
= SSL_CONF_CTX_set1_prefix
:mrdocs:

Set the command‐name prefix recognised by subsequent SSL_CONF_cmd() calls.

== Synopsis

Declared in `<openssl/ssl.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
SSL_CONF_CTX_set1_prefix(
    xref:SSL_CONF_CTX.adoc[SSL_CONF_CTX]* cctx,
    char const* pre);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *cctx*
| Configuration context to update.
| *pre*
| Prefix string, or NULL to restore the default for the current flags.
|===


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