ENGINE control‐command handler (same calling convention as ENGINE_ctrl()).
Synopsis
Declared in <openssl/engine.h>
typedef int(* ENGINE_CTRL_FUNC_PTR)(ENGINE*, int, long, void*, void(*)());Return Value
Positive on success, or non‐positive on failure (command‐dependent).
Parameters
Name |
Description |
e |
ENGINE receiving the command. |
cmd |
Control command number. |
i |
Integer argument for the command. |
p |
Pointer argument for the command. |
f |
Optional function‐pointer argument for the command. |
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