CRYPTO_EX_dup

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C) @system nothrow
alias CRYPTO_EX_dup = typeof(*(ExternC!(int function(CRYPTO_EX_DATA* to, CRYPTO_EX_DATA* from, void* from_d, int idx, c_long argl, void* argp))).init)

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