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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" ERR_load_strings, ERR_PACK, ERR_get_next_error_library \- load arbitrary error strings .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #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); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\fBERR_load_strings()\fR registers error strings for library number \fBlib\fR. .PP \&\fBstr\fR is an array of error string data: .PP .Vb 5 \& typedef struct ERR_string_data_st \& { \& unsigned long error; \& char *string; \& } ERR_STRING_DATA; .Ve .PP The error code is generated from the library number and a function and reason code: \fBerror\fR = \s-1ERR_PACK\s0(\fBlib\fR, \fBfunc\fR, \fBreason\fR). \&\s-1\fBERR_PACK\s0()\fR is a macro. .PP The last entry in the array is {0,0}. .PP \&\fBERR_get_next_error_library()\fR can be used to assign library numbers to user libraries at runtime. .SH "RETURN VALUES" .IX Header "RETURN VALUES" \&\fBERR_load_strings()\fR returns 1 for success and 0 for failure. \s-1\fBERR_PACK\s0()\fR returns the error code. \&\fBERR_get_next_error_library()\fR returns zero on failure, otherwise a new library number. .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBERR_load_strings\fR\|(3) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2000\-2021 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (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>.