void FUN_00404a40(int param_1)

{

  char *pcVar1;

  int iVar2;

  undefined4 uVar3;

  int *piVar4;

  in_addr __in;

  int *piVar5;

  int iVar6;

  undefined4 uVar7;

  undefined1 auStack_88 [32];

  char acStack_68 [32];

  char acStack_48 [32];

  while (piVar5 = *(int **)(param_1 + 0xc), piVar5 != (int *)(param_1 + 0xc)) {

    piVar4 = (int *)piVar5[1];

    iVar6 = *piVar5;

    __in.s_addr = piVar5[2];

    *piVar4 = iVar6;

    *(int **)(iVar6 + 4) = piVar4;

    *piVar5 = 0;

    piVar5[1] = 0;

    pcVar1 = inet_ntoa(__in);

    strcpy(acStack_68,pcVar1)   //possible issue identified - semgrep

    pcVar1 = inet_ntoa((in_addr)*(in_addr_t *)(param_1 + 8));

    strcpy(acStack_48,pcVar1)   //possible issue identified - semgrep

    uVar7 = vifs_get_name((short)piVar5[3]);

    verbose("%s: remove route %s --> %s from %s [%d]\n","remove_group",acStack_68,acStack_48,uVar7,

            (short)piVar5[3]);

    memset(auStack_88,0,0x20)   //possible issue identified - semgrep

    mrtapi_del_mfc(piVar5[2],*(undefined4 *)(param_1 + 8),(short)piVar5[3],auStack_88);

    remove_multicast_ip(*(undefined4 *)(param_1 + 8));

    free(piVar5);

  }

  while (piVar5 = *(int **)(param_1 + 0x14), piVar5 != (int *)(param_1 + 0x14)) {

    piVar4 = (int *)piVar5[1];

    iVar6 = *piVar5;

    *piVar4 = iVar6;

    *(int **)(iVar6 + 4) = piVar4;

    *piVar5 = 0;

    piVar5[1] = 0;

    FUN_00404900(piVar5);

  }

  if (*(int *)(param_1 + 0x1c) != 0) {

    sloop_cancel_timeout();

  }

  uVar7 = *(undefined4 *)(param_1 + 8);

  iVar6 = 0;

  do {

    iVar2 = vifs_is_upstream(iVar6);

    if (iVar2 != 0) {

      iVar2 = vifs_get_ver_by_id(iVar6);

      if (iVar2 == 0x22) {

        uVar3 = vifs_get_ipaddr();

        send_igmp_v3(uVar3,0x160000e0,0x22,0,uVar7,0,3);

      }

      else {

        iVar2 = vifs_get_ver_by_id(iVar6);

        if ((iVar2 == 0x16) || (iVar2 = vifs_get_ver_by_id(iVar6), iVar2 == 0x12)) {

          uVar3 = vifs_get_ipaddr(iVar6);

          send_igmp(uVar3,0x20000e0,0x17,0,uVar7);

        }

      }

    }

    iVar6 = iVar6 + 1;

  } while (iVar6 != 8);

  return;

}