Test first character in serially sent string

i take ascii number , convert actual character shown in following example program.  is there function this?

code: [select]

void setup(){
 serial.begin(9600);
}

void loop()
{
 string strarray[200];
 if (serial.available()>0)
 {
   int = 0;
   while(serial.available() > 0)
   {
     strarray[i] = serial.read();
     serial.print("array number ");
     serial.print(i);
     serial.print(" ");
     serial.print(strarray[i]);
     serial.print(" ascii # character ");
     serial.println(strarray[i]);  // <== how can # converted character
     i++;
   }
   strarray[i] = '\0';
 }
}


strarray array of 200 strings... meant be? or should array of 200 chars?

cast char? serial.println((char) 64);

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