[#EVP_PKEY_print_params]
= EVP_PKEY_print_params
:mrdocs:

Print a key's domain parameters to a BIO in human‐readable form.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_PKEY_print_params(
    xref:BIO.adoc[BIO]* out,
    xref:EVP_PKEY.adoc[EVP_PKEY] const* pkey,
    int indent,
    xref:ASN1_PCTX.adoc[ASN1_PCTX]* pctx);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *out*
| Output BIO.
| *pkey*
| Key whose parameters are printed.
| *indent*
| Indentation width in spaces.
| *pctx*
| Optional ASN.1 print context, or NULL for defaults.
|===


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