private int parseNumParameterBytes() throws MDException {
		int loc = dmang.getIndex();
		String str = dmang.getMangledSymbol().substring(loc);
		dmang.setIndex(loc + dmang.getNumCharsRemaining());
		try {
			return Integer.parseInt(str);
		}
		catch (NumberFormatException e) {
			throw new MDException("Error parsing C Object calling convention");
		}
	}
Returns the number of parameter bytes if the C object is determined to be a function with
a specified convention
@return the number of bytes; will always be zero for __cdecl
Ghidra/Features/MicrosoftDmang/src/main/java/mdemangler/object/MDObjectC.java