Add docs for BIO_find_type() and friends.

Added function BIO_next() otherwise you can't
traverse a chain without accessing BIO internals.

1 files changed, 6 insertions, 0 deletions

diff --git a/crypto/bio/bio_lib.c b/crypto/bio/bio_lib.c
index ffdec3725d..fa32df041e 100644
--- a/crypto/bio/bio_lib.c
+++ b/crypto/bio/bio_lib.c
@@ -436,6 +436,12 @@ BIO *BIO_find_type(BIO *bio, int type)
 	return(NULL);
 	}
 
+BIO *BIO_next(BIO *b)
+	{
+	if(!b) return NULL;
+	return b->next_bio;
+	}
+
 void BIO_free_all(BIO *bio)
 	{
 	BIO *b;