Difficulties to understand pointer-notations *myVar / myVar* (byte*&) myVar

Projects Programming
21

Yes. These do the same thing.

char x = 'A';
char y = 'B';
char z = 'C';

void setup() {
  Serial.begin(9600);
  char*  p  = &x;
  char** pp = &p;
  Serial.println(*p);
  foo(p); // Use reference to pointer
  Serial.println(*p);
  bar(pp); // Use pointer to pointer
  Serial.println(*p);
}

void loop() {
}

void foo(char*& p) {
  p = &y;
}
void bar(char** pp) {
  *pp = &z;
}