rangerll的部落格

#include 

//using namespace std;
struct tag_a;  /* ............incomplete declaration. */
struct tag_b;
typedef struct tag_a A;
typedef struct tag_b B;
struct tag_a{
  struct tag_b *bp; /* ..struct tag_b .............. */
  int value;
};
struct tag_b{
  struct tag_a *ap;
  int value;
};


struct evp_cipher_st;
struct evp_cipher_ctx_st;
//. ossl_type.h
typedef struct evp_cipher_st    EVP_CIPHER;
typedef struct evp_cipher_ctx_st  EVP_CIPHER_CTX;

//------------------------------------
//.evp.h
struct evp_cipher_st
{
    int (*init)(EVP_CIPHER_CTX *ctx, const unsigned char *key,
          const unsigned char *iv, int enc);
    //...a
    //const EVP_CIPHER_CTX *ctx;
};

struct evp_cipher_ctx_st
{
    const EVP_CIPHER *cipher;
    //...
};


int main(){
        return 0;
}