Function-pointer type for a type-erased ASN.1 DER decoder (d2i_*).
Declared in <openssl/asn1.h>
typedef void* d2i_of_void(void**, unsigned char const**, long);Decoded object pointer, or NULL on error.
| Name | Description |
|---|---|
| a | Optional destination pointer updated to the decoded object, or NULL. |
| in | Address of a pointer to the DER input; advanced past the decoded value. |
| len | Number of bytes available at *in. |