文件操作 - ERR_load_strings.pod
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文件: /usr/local/src/openssl-1.1.1w/doc/man3/ERR_load_strings.pod
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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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