[#NAME_CONSTRAINTS_check]
= NAME_CONSTRAINTS_check
:mrdocs:

Check whether certificate subject names satisfy the given Name Constraints.

== Synopsis

Declared in `<openssl/x509v3.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
NAME_CONSTRAINTS_check(
    xref:X509.adoc[X509]* x,
    xref:NAME_CONSTRAINTS.adoc[NAME_CONSTRAINTS]* nc);
----

== Return Value

X509_V_OK (0) if compliant, or an X509_V_ERR_* code on violation or error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *x*
| Certificate whose subject and subjectAltName are checked.
| *nc*
| Name Constraints extension value to apply.
|===


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