int * FUN_0047d6f4(int param_1,int *param_2,int param_3)

{

  undefined4 uVar1;

  undefined4 uVar2;

  uint uVar3;

  uint uVar4;

  int iVar5;

  uint uVar6;

  int iVar7;

  uint local_38;

  uint local_34;

  uint *local_30;

  uVar6 = *(uint *)(param_1 + 0x10) >> 3 & 0xff;

  uVar1 = FUN_0047cd74(uVar6,param_1);

  iVar7 = 0;

  local_30 = &local_38;

  do {

    if (*param_2 == 0) {

      return (int *)0x0;

    }

    if (param_2[1] != 0) {

      if (((*(uint *)(param_1 + 0x10) & 4) != 0) &&

         (iVar5 = (int)param_2 + (4 - param_2[1]), iVar5 != iVar7)) {

        uVar6 = FUN_0047cfb8(iVar5);

        uVar1 = FUN_0047cd74(uVar6 & 0xff,param_1);

        iVar7 = iVar5;

      }

      if (uVar6 == 0) {

        local_38 = param_2[2];

        local_34 = param_2[3];

        uVar3 = local_38;

      }

      else {

        uVar2 = FUN_0047ce1c(uVar6 & 0xff,uVar1,param_2 + 2,local_30);

        FUN_0047ce1c(uVar6 & 0xf,0,uVar2,&local_34);

        uVar3 = FUN_0047ccf0(uVar6 & 0xff);

        uVar4 = 0xffffffff;

        if (uVar3 < 4) {

          uVar4 = (1 << ((uVar3 & 3) << 3)) - 1;

        }

        uVar3 = uVar4 & local_38;

      }

      if ((uVar3 != 0) && (param_3 - local_38 < local_34)) {

        return param_2;

      }

    }

    param_2 = (int *)((int)param_2 + *param_2 + 4);

  } while( true );

}