[#ASN1_str2mask]
= ASN1_str2mask
:mrdocs:

Parse a pipe‐separated list of ASN1_STRFLGS_* flag names into a mask.

== Synopsis

Declared in `<openssl/asn1.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
ASN1_str2mask(
    char const* str,
    unsigned long* pmask);
----

== Return Value

1 on success, or 0 if `str` contains an unknown name.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *str*
| Flag names such as "utf8|esc_ctrl" (case‐insensitive).
| *pmask*
| Receives the combined flag mask on success.
|===


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