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=pod
=head1 NAME
ERR_load_strings, ERR_PACK, ERR_get_next_error_library - load
arbitrary error strings
=head1 SYNOPSIS
#include <openssl/err.h>
int ERR_load_strings(int lib, ERR_STRING_DATA *str);
int ERR_get_next_error_library(void);
unsigned long ERR_PACK(int lib, int func, int reason);
=head1 DESCRIPTION
ERR_load_strings() registers error strings for library number B<lib>.
B<str> is an array of error string data:
typedef struct ERR_string_data_st
{
unsigned long error;
char *string;
} ERR_STRING_DATA;
The error code is generated from the library number and a function and
reason code: B<error> = ERR_PACK(B<lib>, B<func>, B<reason>).
ERR_PACK() is a macro.
The last entry in the array is {0,0}.
ERR_get_next_error_library() can be used to assign library numbers
to user libraries at runtime.
=head1 RETURN VALUES
ERR_load_strings() returns 1 for success and 0 for failure. ERR_PACK() returns the error code.
ERR_get_next_error_library() returns zero on failure, otherwise a new
library number.
=head1 SEE ALSO
L<ERR_load_strings(3)>
=head1 COPYRIGHT
Copyright 2000-2021 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
L<https://www.openssl.org/source/license.html>.
=cut
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