undefined4 ip6tc_rename_chain(undefined4 param_1,char *param_2,int param_3)

{

  int iVar1;

  int *piVar2;

  int iVar3;

  size_t sVar4;

  iptc_fn = ip6tc_rename_chain;

  iVar1 = (*(code *)0x2144)(param_2,param_3);

  if ((((iVar1 == 0) && (iVar1 = strcmp(param_2,(char *)0x54fc), iVar1 != 0)) &&

      (iVar1 = strcmp(param_2,(char *)0x54f4), iVar1 != 0)) &&

     ((iVar1 = strcmp(param_2,(char *)0x5504), iVar1 != 0 &&

      (iVar1 = strcmp(param_2,(char *)0x552c), iVar1 != 0)))) {

    iVar1 = (*(code *)0x2144)(param_1,param_3);

    if ((iVar1 == 0) || (iVar3 = ip6tc_builtin(param_1,param_3), iVar3 != 0)) {

      piVar2 = __errno_location();

      iVar1 = 2;

    }

    else {

      sVar4 = strlen(param_2);

      if (sVar4 + 1 < 0x21) {

        (*(code *)0x2b94)(iVar1,param_3);

        strncpy((char *)(iVar1 + 8),param_2,0x20)   //possible issue identified - semgrep

        (*(code *)0x2e50)(param_3,iVar1);

        *(undefined4 *)(param_3 + 4) = 1;

        return 1;

      }

      piVar2 = __errno_location();

      iVar1 = 0x16;

    }

  }

  else {

    piVar2 = __errno_location();

    iVar1 = 0x11;

  }

  *piVar2 = iVar1;

  return 0;

}