public void skip(int num) {
		if (num > (limit - index)) {
			index = limit;
		}
		else {
			index += num;
		}
	}
This method skips the number of bytes specified.  Does not skip beyond the end.
@param num The number of bytes to skip.
Ghidra/Features/PDB/src/main/java/ghidra/app/util/bin/format/pdb2/pdbreader/PdbByteReader.java