void FUN_0041420c(void *param_1)

{

  int iVar1;

  int *piVar2;

  piVar2 = *(int **)((int)param_1 + 0x28);

  while (piVar2 != (int *)0x0) {

    while (iVar1 = *piVar2, iVar1 != 0) {

      *(int *)(iVar1 + 4) = piVar2[1];

      *(int *)piVar2[1] = iVar1;

      FUN_004137e0();

      piVar2 = *(int **)((int)param_1 + 0x28);

      if (piVar2 == (int *)0x0) goto LAB_004142a0;

    }

    *(int *)((int)param_1 + 0x2c) = piVar2[1];

    *(undefined4 *)piVar2[1] = 0;

    FUN_004137e0();

    piVar2 = *(int **)((int)param_1 + 0x28);

  }

LAB_004142a0:

  free(param_1);

  return;

}