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.\" ========================================================================
.\"
.IX Title "OSSL_ITEM 3"
.TH OSSL_ITEM 3 "2023-08-01" "3.0.10" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.nh
.SH "NAME"
OSSL_ITEM \- OpenSSL Core type for generic itemized data
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/core.h>
\&
\& typedef struct ossl_item_st OSSL_ITEM;
\& struct ossl_item_st {
\&     unsigned int id;
\&     void *ptr;
\& };
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This type is a tuple of integer and pointer.
It's a generic type used as a generic descriptor, its exact meaning
being defined by how it's used.
Arrays of this type are passed between the OpenSSL libraries and the
providers, and must be terminated with a tuple where the integer is
zero and the pointer \s-1NULL.\s0
.PP
This is currently mainly used for the return value of the provider's error
reason strings array, see \*(L"Provider Functions\*(R" in \fBprovider\-base\fR\|(7).
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBcrypto\fR\|(7), \fBprovider\-base\fR\|(7), \fBopenssl\-core.h\fR\|(7)
.SH "HISTORY"
.IX Header "HISTORY"
\&\fB\s-1OSSL_ITEM\s0\fR was added in OpenSSL 3.0
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
.PP
Licensed under the Apache License 2.0 (the \*(L"License\*(R").  You may not use
this file except in compliance with the License.  You can obtain a copy
in the file \s-1LICENSE\s0 in the source distribution or at
<https://www.openssl.org/source/license.html>.