Members:

array(
  'signature' => BYTE[16], // signature (Miranda ICQ DB\x00\x1A)
  'version' => DWORD, // database version (0x00000700)
  'ofsFileEnd' => DWORD, // offset of the end of file
  'slackSpace' => DWORD, // wasted space in bytes
  'contactCount' => DWORD, // number of contacts
  'ofsFirstContact' => DWORD, // offset of the first contact
  'ofsUser' => DWORD, // offset of the system contact
  'ofsFirstModule' => DWORD // offset of the first module
)

Constants:

class MimDbHandler {
  const DB_HEADER_SIGNATURE = "Miranda ICQ DB\x00\x1A";
  const DB_THIS_VERSION = 0x00000700;
}