/* WARNING: Globals starting with '_' overlap smaller symbols at the same address */

undefined4 FUN_004040c0(byte *param_1,int param_2)

{

  byte bVar1;

  byte bVar2;

  byte *pbVar3;

  int *piVar4;

  int iVar5;

  uint uVar6;

  int iVar7;

  iVar7 = 0;

  do {

    uVar6 = (uint)*param_1;

    if ((*param_1 == 0) ||

       (((iVar5 = uVar6 - 0x30, (*(ushort *)(___ctype_b + uVar6 * 2) & 8) == 0 &&

         (iVar5 = uVar6 - 0x57, 5 < (uVar6 - 0x61 & 0xff))) &&

        (iVar5 = uVar6 - 0x37, 5 < (uVar6 - 0x41 & 0xff))))) break;

    bVar1 = param_1[1];

    uVar6 = (uint)bVar1;

    if ((*(ushort *)(___ctype_b + uVar6 * 2) & 8) == 0) {

      bVar2 = bVar1 + 0xa9;

      if ((5 < (uVar6 - 0x61 & 0xff)) && (bVar2 = bVar1 - 0x37, 5 < (uVar6 - 0x41 & 0xff))) break;

    }

    else {

      bVar2 = bVar1 - 0x30;

    }

    pbVar3 = (byte *)(param_2 + iVar7);

    iVar7 = iVar7 + 1;

    *pbVar3 = (byte)(iVar5 << 4) | bVar2;

    if (iVar7 == 6) {

      return 1;

    }

    pbVar3 = param_1 + 2;

    param_1 = param_1 + 3;

  } while (*pbVar3 == 0x3a);

  piVar4 = __errno_location();

  *piVar4 = 0x16;

  return 0;

}