66   BIO *peer;  // NULL if buf == NULL.
84 static int bio_new(BIO *bio) {  in bio_new()
98 static void bio_destroy_pair(BIO *bio) {  in bio_destroy_pair()
100   BIO *peer_bio;  in bio_destroy_pair()
130 static int bio_free(BIO *bio) {  in bio_free()
150 static int bio_read(BIO *bio, char *buf, int size_) {  in bio_read()
233 static int bio_write(BIO *bio, const char *buf, int num_) {  in bio_write()
252     OPENSSL_PUT_ERROR(BIO, BIO_R_BROKEN_PIPE);  in bio_write()
305 static int bio_make_pair(BIO *bio1, BIO *bio2, size_t writebuf1_len,  in bio_make_pair()
316     OPENSSL_PUT_ERROR(BIO, BIO_R_IN_USE);  in bio_make_pair()
326       OPENSSL_PUT_ERROR(BIO, ERR_R_MALLOC_FAILURE);  in bio_make_pair()
339       OPENSSL_PUT_ERROR(BIO, ERR_R_MALLOC_FAILURE);  in bio_make_pair()
359 static long bio_ctrl(BIO *bio, int cmd, long num, void *ptr) {  in bio_ctrl()
436       BIO *other_bio = ptr;  in bio_ctrl()
461 int BIO_new_bio_pair(BIO** bio1_p, size_t writebuf1_len,  in BIO_new_bio_pair()
462                      BIO** bio2_p, size_t writebuf2_len) {  in BIO_new_bio_pair()
463   BIO *bio1 = BIO_new(bio_s_bio());  in BIO_new_bio_pair()
464   BIO *bio2 = BIO_new(bio_s_bio());  in BIO_new_bio_pair()
479 size_t BIO_ctrl_get_read_request(BIO *bio) {  in BIO_ctrl_get_read_request()
483 size_t BIO_ctrl_get_write_guarantee(BIO *bio) {  in BIO_ctrl_get_write_guarantee()
487 int BIO_shutdown_wr(BIO *bio) {  in BIO_shutdown_wr()