a_truncate_log structure

Holds information needed for transaction log truncation using the DBTools library.

• connectparms const char *
  Parameters needed to connect to the database.
• errorrtn MSG_CALLBACK
  Address of an error message callback routine or NULL.
• msgrtn MSG_CALLBACK
  Address of an information message callback routine or NULL.
• quiet a_bit_field
  Set TRUE to operate without printing messages.
• server_backup a_bit_field
  Set TRUE to indicate backup on server using BACKUP DATABASE.
• truncate_interrupted char
  Truncate was interrupted if non-zero.
• version unsigned short
  DBTools version number (DB_TOOLS_VERSION_NUMBER).