[#OSSL_CMP_SRV_genm_cb_t]
= OSSL_CMP_SRV_genm_cb_t
:mrdocs:

Callback type for processing CMP General Message (genm) requests on the server.

== Synopsis

Declared in `<openssl/cmp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
typedef int(* OSSL_CMP_SRV_genm_cb_t)(xref:OSSL_CMP_SRV_CTX.adoc[OSSL_CMP_SRV_CTX]*, xref:OSSL_CMP_MSG.adoc[OSSL_CMP_MSG] const*, xref:stack_st_OSSL_CMP_ITAV.adoc[stack_st_OSSL_CMP_ITAV] const*, xref:stack_st_OSSL_CMP_ITAV.adoc[stack_st_OSSL_CMP_ITAV]**);
----

== Return Value

1 on success, 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *srv_ctx*
| CMP server context.
| *req*
| Incoming genm request message.
| *in*
| ITAVs from the request body.
| *out*
| Address of a stack pointer to receive response ITAVs allocated by the callback.
|===


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