int FUN_00409858(void)

{

  bool bVar1;

  int iVar2;

  int *piVar3;

  undefined4 *puVar4;

  undefined4 uVar5;

  undefined4 *puVar6;

  int iVar7;

  int iVar8;

  undefined4 auStack_a0 [34];

  puVar6 = bridge_list;

  while (puVar6 != (undefined4 *)0x0) {

    puVar4 = (undefined4 *)*puVar6;

    FUN_00409200(puVar6);

    puVar6 = puVar4;

  }

  puVar6 = auStack_a0;

  iVar2 = br_ioctl(1,puVar6,0x20);

  if (iVar2 < 0) {

    piVar3 = __errno_location();

    iVar7 = *piVar3;

  }

  else {

    bridge_list = (undefined4 *)0x0;

    iVar8 = 0;

    do {

      bVar1 = iVar2 <= iVar8;

      iVar8 = iVar8 + 1;

      if (bVar1) {

        return 0;

      }

      puVar4 = (undefined4 *)malloc(0x49c)   //possible issue identified - semgrep

      memset(puVar4,0,0x49c)   //possible issue identified - semgrep

      uVar5 = *puVar6;

      *puVar4 = bridge_list;

      puVar4[1] = uVar5;

      puVar4[6] = 0;

      bridge_list = puVar4;

      iVar7 = FUN_004094e4(puVar4);

      puVar6 = puVar6 + 1;

    } while ((iVar7 == 0) && (iVar7 = FUN_00409398(puVar4), iVar7 == 0));

    while (bridge_list != (undefined4 *)0x0) {

      puVar6 = (undefined4 *)*bridge_list;

      FUN_00409200(bridge_list);

      bridge_list = puVar6;

    }

  }

  return iVar7;

}