[#err_state_st-err_data]
= xref:err_state_st.adoc[err_state_st]::err_data
:relfileprefix: ../
:mrdocs:

Optional auxiliary detail strings for each error slot (see ERR_TXT_*).

== Synopsis

Declared in `<openssl/err.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
char* err_data[];
----


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