int * FUN_00404330(undefined4 param_1,int param_2,int param_3,int param_4)

{

  int iVar1;

  int *piVar2;

  piVar2 = DAT_00439600;

  if (DAT_00439600 != (int *)0x0) {

    do {

      if ((piVar2[2] == param_2) && (iVar1 = duidcmp(piVar2 + 3,param_1), iVar1 == 0)) {

        if (param_2 != 0) {

          return piVar2;

        }

        if ((piVar2[5] == param_3) && (piVar2[6] == param_4)) {

          return piVar2;

        }

      }

      piVar2 = (int *)*piVar2;

    } while (piVar2 != (int *)0x0);

  }

  return piVar2;

}