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211 lines
6.9 KiB
C++
211 lines
6.9 KiB
C++
/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB
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This file is public domain and comes with NO WARRANTY of any kind */
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/*
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** Common definition between mysql server & client
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*/
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#ifndef _mysql_com_h
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#define _mysql_com_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NAME_LEN 64 /* Field/table name length */
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#define HOSTNAME_LENGTH 60
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#define USERNAME_LENGTH 16
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#define LOCAL_HOST "localhost"
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#define LOCAL_HOST_NAMEDPIPE "."
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#define MYSQL_PORT 3306 /* Alloced by ISI for MySQL */
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#if defined(__EMX__) || defined(__OS2__)
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#undef MYSQL_UNIX_ADDR
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#define MYSQL_OS2_ADDR "\\socket\\MySQL"
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#define MYSQL_UNIX_ADDR MYSQL_OS2_ADDR
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#endif
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#ifdef WIN32
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#define MYSQL_NAMEDPIPE "MySQL"
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#define MYSQL_SERVICENAME "MySql"
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#endif
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enum enum_server_command {COM_SLEEP,COM_QUIT,COM_INIT_DB,COM_QUERY,
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COM_FIELD_LIST,COM_CREATE_DB,COM_DROP_DB,COM_REFRESH,
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COM_SHUTDOWN,COM_STATISTICS,
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COM_PROCESS_INFO,COM_CONNECT,COM_PROCESS_KILL,
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COM_DEBUG,COM_PING,COM_TIME,COM_DELAYED_INSERT,
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COM_CHANGE_USER};
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#define NOT_NULL_FLAG 1 /* Field can't be NULL */
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#define PRI_KEY_FLAG 2 /* Field is part of a primary key */
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#define UNIQUE_KEY_FLAG 4 /* Field is part of a unique key */
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#define MULTIPLE_KEY_FLAG 8 /* Field is part of a key */
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#define BLOB_FLAG 16 /* Field is a blob */
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#define UNSIGNED_FLAG 32 /* Field is unsigned */
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#define ZEROFILL_FLAG 64 /* Field is zerofill */
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#define BINARY_FLAG 128
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/* The following are only sent to new clients */
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#define ENUM_FLAG 256 /* field is an enum */
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#define AUTO_INCREMENT_FLAG 512 /* field is a autoincrement field */
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#define TIMESTAMP_FLAG 1024 /* Field is a timestamp */
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#define SET_FLAG 2048 /* field is a set */
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#define PART_KEY_FLAG 16384 /* Intern; Part of some key */
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#define GROUP_FLAG 32768 /* Intern: Group field */
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#define UNIQUE_FLAG 65536 /* Intern: Used by sql_yacc */
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#define REFRESH_GRANT 1 /* Refresh grant tables */
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#define REFRESH_LOG 2 /* Start on new log file */
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#define REFRESH_TABLES 4 /* close all tables */
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#define REFRESH_HOSTS 8 /* Flush host cache */
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#define REFRESH_STATUS 16 /* Flush status variables */
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#define REFRESH_FAST 32768 /* Intern flag */
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#define CLIENT_LONG_PASSWORD 1 /* new more secure passwords */
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#define CLIENT_FOUND_ROWS 2 /* Found instead of affected rows */
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#define CLIENT_LONG_FLAG 4 /* Get all column flags */
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#define CLIENT_CONNECT_WITH_DB 8 /* One can specify db on connect */
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#define CLIENT_NO_SCHEMA 16 /* Don't allow database.table.column */
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#define CLIENT_COMPRESS 32 /* Can use compression protocol */
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#define CLIENT_ODBC 64 /* Odbc client */
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#define CLIENT_LOCAL_FILES 128 /* Can use LOAD DATA LOCAL */
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#define CLIENT_IGNORE_SPACE 256 /* Ignore spaces before '(' */
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#define CLIENT_CHANGE_USER 512 /* Support the mysql_change_user() */
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#define CLIENT_INTERACTIVE 1024 /* This is an interactive client */
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#define CLIENT_SSL 2048 /* Switch to SSL after handshake */
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#define CLIENT_IGNORE_SIGPIPE 4096 /* IGNORE sigpipes */
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#define MYSQL_ERRMSG_SIZE 200
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#define NET_READ_TIMEOUT 30 /* Timeout on read */
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#define NET_WRITE_TIMEOUT 60 /* Timeout on write */
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#define NET_WAIT_TIMEOUT 8*60*60 /* Wait for new query */
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#ifndef Vio_defined
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#define Vio_defined
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#ifdef HAVE_VIO
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class Vio; /* Fill Vio class in C++ */
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#else
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struct st_vio; /* Only C */
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typedef struct st_vio Vio;
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#endif
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#endif
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typedef struct st_net {
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Vio* vio;
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my_socket fd; /* For Perl DBI/dbd */
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int fcntl;
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unsigned char *buff,*buff_end,*write_pos,*read_pos;
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char last_error[MYSQL_ERRMSG_SIZE];
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unsigned int last_errno,max_packet,timeout,pkt_nr;
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my_bool error,return_errno,compress;
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unsigned long remain_in_buf,length, buf_length, where_b;
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my_bool more;
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char save_char;
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} NET;
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#define packet_error ((unsigned int) -1)
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enum enum_field_types { FIELD_TYPE_DECIMAL, FIELD_TYPE_TINY,
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FIELD_TYPE_SHORT, FIELD_TYPE_LONG,
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FIELD_TYPE_FLOAT, FIELD_TYPE_DOUBLE,
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FIELD_TYPE_NULL, FIELD_TYPE_TIMESTAMP,
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FIELD_TYPE_LONGLONG,FIELD_TYPE_INT24,
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FIELD_TYPE_DATE, FIELD_TYPE_TIME,
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FIELD_TYPE_DATETIME, FIELD_TYPE_YEAR,
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FIELD_TYPE_NEWDATE,
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FIELD_TYPE_ENUM=247,
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FIELD_TYPE_SET=248,
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FIELD_TYPE_TINY_BLOB=249,
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FIELD_TYPE_MEDIUM_BLOB=250,
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FIELD_TYPE_LONG_BLOB=251,
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FIELD_TYPE_BLOB=252,
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FIELD_TYPE_VAR_STRING=253,
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FIELD_TYPE_STRING=254
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};
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#define FIELD_TYPE_CHAR FIELD_TYPE_TINY /* For compability */
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#define FIELD_TYPE_INTERVAL FIELD_TYPE_ENUM /* For compability */
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extern unsigned long max_allowed_packet;
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extern unsigned long net_buffer_length;
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#define net_new_transaction(net) ((net)->pkt_nr=0)
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int my_net_init(NET *net, Vio* vio);
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void net_end(NET *net);
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void net_clear(NET *net);
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int net_flush(NET *net);
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int my_net_write(NET *net,const char *packet,unsigned long len);
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int net_write_command(NET *net,unsigned char command,const char *packet,
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unsigned long len);
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int net_real_write(NET *net,const char *packet,unsigned long len);
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unsigned int my_net_read(NET *net);
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struct rand_struct {
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unsigned long seed1,seed2,max_value;
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double max_value_dbl;
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};
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/* The following is for user defined functions */
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enum Item_result {STRING_RESULT,REAL_RESULT,INT_RESULT};
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typedef struct st_udf_args
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{
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unsigned int arg_count; /* Number of arguments */
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enum Item_result *arg_type; /* Pointer to item_results */
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char **args; /* Pointer to argument */
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unsigned long *lengths; /* Length of string arguments */
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char *maybe_null; /* Set to 1 for all maybe_null args */
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} UDF_ARGS;
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/* This holds information about the result */
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typedef struct st_udf_init
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{
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my_bool maybe_null; /* 1 if function can return NULL */
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unsigned int decimals; /* for real functions */
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unsigned int max_length; /* For string functions */
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char *ptr; /* free pointer for function data */
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my_bool const_item; /* 0 if result is independent of arguments */
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} UDF_INIT;
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/* Constants when using compression */
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#define NET_HEADER_SIZE 4 /* standard header size */
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#define COMP_HEADER_SIZE 3 /* compression header extra size */
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/* Prototypes to password functions */
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void randominit(struct rand_struct *,unsigned long seed1,
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unsigned long seed2);
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double rnd(struct rand_struct *);
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void make_scrambled_password(char *to,const char *password);
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void get_salt_from_password(unsigned long *res,const char *password);
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void make_password_from_salt(char *to, unsigned long *hash_res);
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char *scramble(char *to,const char *message,const char *password,
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my_bool old_ver);
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my_bool check_scramble(const char *, const char *message,
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unsigned long *salt,my_bool old_ver);
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char *get_tty_password(char *opt_message);
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void hash_password(unsigned long *result, const char *password);
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/* Some other useful functions */
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void my_init(void);
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void load_defaults(const char *conf_file, const char **groups,
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int *argc, char ***argv);
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#define NULL_LENGTH ((unsigned long) ~0) /* For net_store_length */
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#ifdef WIN32
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#define socket_errno WSAGetLastError()
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#else
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#define socket_errno errno
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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