# include <openssl/e_os2.h>
+typedef struct ossl_provider_st OSSL_PROVIDER; /* Provider Object */
+
# ifdef NO_ASN1_TYPEDEFS
# define ASN1_INTEGER ASN1_STRING
# define ASN1_ENUMERATED ASN1_STRING
typedef struct buf_mem_st BUF_MEM;
+typedef struct err_state_st ERR_STATE;
+
typedef struct evp_cipher_st EVP_CIPHER;
typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;
typedef struct evp_md_st EVP_MD;
typedef struct evp_pkey_method_st EVP_PKEY_METHOD;
typedef struct evp_pkey_ctx_st EVP_PKEY_CTX;
+typedef struct evp_keymgmt_st EVP_KEYMGMT;
+
+typedef struct evp_kdf_st EVP_KDF;
typedef struct evp_kdf_ctx_st EVP_KDF_CTX;
+typedef struct evp_keyexch_st EVP_KEYEXCH;
+
+typedef struct evp_signature_st EVP_SIGNATURE;
+
typedef struct evp_Encode_Ctx_st EVP_ENCODE_CTX;
typedef struct hmac_ctx_st HMAC_CTX;
typedef struct openssl_ctx_st OPENSSL_CTX;
+typedef struct ossl_dispatch_st OSSL_DISPATCH;
+typedef struct ossl_item_st OSSL_ITEM;
+typedef struct ossl_algorithm_st OSSL_ALGORITHM;
+typedef struct ossl_param_st OSSL_PARAM;
+
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && \
defined(INTMAX_MAX) && defined(UINTMAX_MAX)
typedef intmax_t ossl_intmax_t;