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

Allocated size in bytes of each `err_data` slot.

== Synopsis

Declared in `<openssl/err.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
size_t err_data_size[];
----


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