[#ASN1_BIT_STRING_num_asc]
= ASN1_BIT_STRING_num_asc
:mrdocs:

Look up the bit number for a named bit in a BIT_STRING_BITNAME table.

== Synopsis

Declared in `<openssl/asn1.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
ASN1_BIT_STRING_num_asc(
    char const* name,
    xref:BIT_STRING_BITNAME.adoc[BIT_STRING_BITNAME]* tbl);
----

== Return Value

Matching bit number, or ‐1 if `name` is not found.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *name*
| Short or long bit name to match.
| *tbl*
| NULL‐terminated table of named bits (ends when `lname` is NULL).
|===


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