void sendNAK(undefined4 param_1)

{

  char acStack_258 [32];

  undefined1 auStack_238 [28];

  byte local_21c;

  byte local_21b;

  byte local_21a;

  byte local_219;

  byte local_218;

  byte local_217;

  FUN_004043f0(auStack_238,param_1,6);

  sprintf(acStack_258,"%02x:%02x:%02x:%02x:%02x:%02x",(uint)local_21c,(uint)local_21b,

          (uint)local_21a,(uint)local_219,(uint)local_218,(uint)local_217)   //possible issue identified - semgrep

  syslog(0xe5,"DHCP: Server sending NAK to %s.",acStack_258);

  FUN_00404520(auStack_238,1);

  return;

}