[#x509_trust_st-check_trust]
= xref:x509_trust_st.adoc[x509_trust_st]::check_trust
:relfileprefix: ../
:mrdocs:

Callback that checks whether a certificate is trusted for this purpose.

== Synopsis

Declared in `<openssl/x509_vfy.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int(* check_trust)(xref:x509_trust_st.adoc[x509_trust_st]*, xref:X509.adoc[X509]*, int);
----


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