Correct return type for BIO_ptr_ctrl

Fixes #17549
CLA: trivial

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17636)

(cherry picked from commit 984cc9a0284ee4800862aa305f9f178827baf459)

diff --git a/doc/man3/BIO_ctrl.pod b/doc/man3/BIO_ctrl.pod
index 2e438c3ce9528f1036389a82e5189d34d079c4da..a87abc7994d59eb2f3ceef6d8aa61c6cee6be49c 100644 (file)
--- a/doc/man3/BIO_ctrl.pod
+++ b/doc/man3/BIO_ctrl.pod
@@ -16,7 +16,7 @@ BIO_get_info_callback, BIO_set_info_callback, BIO_info_cb
 
  long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg);
  long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *cb);
- char *BIO_ptr_ctrl(BIO *bp, int cmd, long larg);
+ void *BIO_ptr_ctrl(BIO *bp, int cmd, long larg);
  long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg);
 
  int BIO_reset(BIO *b);