ID Locking System Not functioning/Char Array Converting

hey everyone, unable convert receivedchars output (which id scanned off card) inputid further use.  have tried every single thing under sun, copying arrays, strings, separate arrays, @ point give up.  can please me inputid data format storing same characters receivedchars?  have tested , else works except 1 little thing.  thank in advance.

code: [select]

#include <servo.h>

servo servo1;
servo servo2;

const byte numchars = 32;
char receivedchars[numchars];

boolean newdata = false;
boolean slot1taken = false;
boolean slot2taken = false;
boolean slot3taken = false;
boolean unlocked = false;

char inputid = '0';

char slot1id = '0';
char slot2id = '0';
char slot3id = '0';

//open
int o = 90;
//closed
int c = 0;


void setup() {
    serial.begin(115200);
    inputid = '0';
    servo1.attach(2);
    servo1.write(90);
    servo2.attach(3);
    servo2.write(90);
    serial.println("the device ready use.");
}

void loop() {
    recievewithstartendmarkers();
    shownewdata();
    if (inputid != '0'){
    unlock();
    if (unlocked == false){
      lock();
    }
    unlocked = false;
    debug();
    }
}

void recievewithstartendmarkers() {
    static boolean recieveinprogress = false;
    static byte ndx = 0;
    char startmarker = '%';
    char endmarker = '?';
    char received;
 
  if (serial.available() > 0) {
        received = serial.read();

        if (recieveinprogress == true) {
            if (received != endmarker) {
                receivedchars[ndx] = received;
                ndx++;
                if (ndx >= numchars) {
                    ndx = numchars - 1;
                }
            }
            else {
                receivedchars[ndx] = '\0'; // terminate string
                recieveinprogress = false;
                ndx = 0;
                newdata = true;
            }
        }

        else if (received == startmarker) {
            recieveinprogress = true;
        }
    }
}

void shownewdata() {
    if (newdata == true) {
        serial.print("input student id: ");
        serial.println(receivedchars);
        inputid = receivedchars;
        serial.println(inputid);
        newdata = false;
    }
}

void unlock () {
  if(slot1taken == true && inputid == slot1id && inputid != '0')
  {
    //unlock slot1
    servo1.write(o);
    slot1taken = false;
    slot1id = '0';
    unlocked = true;
    inputid = '0';
  }
 
  if(slot2taken == true && inputid == slot2id && inputid != '0')
  {
    //unlock slot2
    servo2.write(o);
    slot2taken = false;
    slot2id = '0';
    unlocked = true;
    inputid = '0';
  }
 
  if(slot3taken == true && inputid == slot3id)
  {
    //unlock slot3
    slot3taken = false;
    slot3id = '0';
    unlocked = true;
    inputid = '0';
  }
}

void lock(){
  if(slot1taken == false && inputid != '0')
  {
    //lock slot1
    servo1.write(c);
    slot1taken = true;
    slot1id = inputid;
    inputid = '0';
  }
  else if(slot2taken == false && inputid != '0')
  {
    //lock slot2
    servo2.write(c);
    slot2taken = true;
    slot2id = inputid;
    inputid = '0';
  }
  else if(slot3taken == false)
  {
    //lock slot3
    slot3taken = true;
    slot3id = inputid;
    inputid = '0';
  }
}
void debug(){
  if(inputid == "1234"){
  serial.print("slot 1 id:");
  serial.println(slot1id);
  serial.print("slot 2 id:");
  serial.println(slot2id);
  serial.print("slot 3 id:");
  serial.println(slot3id);
  inputid = '0';
  }
}


check strcpy() in c book ( see more functions in stdlib.h or  string.h)

you need separate char storageforcopy[numchars]; array of course

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