undefined4 FUN_00407540(void)

{

  uint uVar1;

  char *pcVar2;

  uint uVar4;

  undefined4 uVar5;

  char *pcVar3;

  uVar5 = 1;

  uVar1 = (uint)CONCAT11(*(undefined1 *)(g_discover_hdr + 2),*(undefined1 *)(g_discover_hdr + 3));

  if (DAT_0042af58 != 1) {

    uVar4 = 0;

    uVar5 = 0;

    pcVar2 = (char *)(g_discover_hdr + 4);

    while( true ) {

      pcVar3 = pcVar2;

      pcVar2 = pcVar3 + 6;

      if (((char *)(g_ethernet_hdr + g_rcvd_pkt_len) < pcVar2) || ((int)uVar1 <= (int)uVar4)) break;

      uVar4 = uVar4 + 1;

      if (((*pcVar3 == g_hwaddr) &&

          (((pcVar3[1] == DAT_0041f029 && (pcVar3[2] == DAT_0041f02a)) &&

           (pcVar3[3] == DAT_0041f02b)))) &&

         ((pcVar3[4] == DAT_0041f02c && (pcVar3[5] == DAT_0041f02d)))) {

        uVar5 = 1;

      }

    }

    if (uVar4 != uVar1) {

      warn("rx_discover: truncated frame: ended at station %d, but numstations claimed %d\n",uVar4,

           uVar1);

    }

  }

  return uVar5;

}