[#OCSP_BASICRESP_get1_ext_d2i]
= OCSP_BASICRESP_get1_ext_d2i
:mrdocs:

Decode the first basic‐response extension of type `nid` into its native structure.

== Synopsis

Declared in `<openssl/ocsp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void*
OCSP_BASICRESP_get1_ext_d2i(
    xref:OCSP_BASICRESP.adoc[OCSP_BASICRESP]* x,
    int nid,
    int* crit,
    int* idx);
----

== Return Value

Newly allocated decoded extension value, or NULL if absent or on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *x*
| Basic OCSP response to query.
| *nid*
| NID of the extension type to extract.
| *crit*
| Optional output set to 1 if critical, 0 if not, or ‐1 on error; may be NULL.
| *idx*
| Optional in/out extension index for X509V3_get_d2i‐style iteration; may be NULL.
|===


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