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All the tools are run by first filling out a structure, and then calling a function (or entry point) in the DBTools DLL. Each entry point takes a pointer to a single structure as argument.
The following example shows how to use the DBBackup function on a Windows operating system.
// Initialize the structure a_backup_db backup_info; memset( &backup_info, 0, sizeof( backup_info ) ); // Fill out the structure backup_info.version = DB_TOOLS_VERSION_NUMBER; backup_info.output_dir = "c:\\backup"; backup_info.connectparms ="UID=DBA;PWD=sql;DBF=demo.db"; backup_info.confirmrtn = (MSG_CALLBACK) ConfirmRtn ; backup_info.errorrtn = (MSG_CALLBACK) ErrorRtn ; backup_info.msgrtn = (MSG_CALLBACK) MessageRtn ; backup_info.statusrtn = (MSG_CALLBACK) StatusRtn ; backup_info.backup_database = TRUE; // start the backup DBBackup( &backup_info );
For information about the members of the DBTools structures, see DBTools structures.