static int ok_write(BIO *h,char *buf,int num);
static int ok_read(BIO *h,char *buf,int size);
static long ok_ctrl(BIO *h,int cmd,long arg1,char *arg2);
static int ok_write(BIO *h,char *buf,int num);
static int ok_read(BIO *h,char *buf,int size);
static long ok_ctrl(BIO *h,int cmd,long arg1,char *arg2);