[#ASN1_buf_print]
= ASN1_buf_print
:mrdocs:

Print a byte buffer as colon‐separated hex to a BIO with indentation.

== Synopsis

Declared in `<openssl/asn1.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
ASN1_buf_print(
    xref:BIO.adoc[BIO]* bp,
    unsigned char const* buf,
    size_t buflen,
    int off);
----

== Return Value

1 on success, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *bp*
| BIO that receives the formatted output.
| *buf*
| Bytes to print.
| *buflen*
| Number of bytes at `buf.`
| *off*
| Indentation depth in spaces.
|===


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