[#ERR_peek_error_line_data]
= ERR_peek_error_line_data
:mrdocs:

Peek at the earliest error with file, line, data, and flags (deprecated).

== Synopsis

Declared in `<openssl/err.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
unsigned long
ERR_peek_error_line_data(
    char const** file,
    int* line,
    char const** data,
    int* flags);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Return Value

Earliest error code, or 0 if the queue is empty (queue unchanged).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *file*
| Receives the source file name, or unchanged if NULL.
| *line*
| Receives the source line number, or unchanged if NULL.
| *data*
| Receives optional auxiliary data, or unchanged if NULL.
| *flags*
| Receives ERR_TXT_* flags for `data,` or unchanged if NULL.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#