@Override
	public String toString() {
		return "currnt = " + peek() + "; next = " + peek(1);
	}
Looks for the next occurrence of 'c' starting
at the current index. Returns the character
position in the underlying string or -1 if 'c'
is not found.
Ghidra/Features/Base/src/main/java/ghidra/app/util/demangler/CharacterIterator.java