public boolean isFunctionSymbol(Symbol s) {
		if (isBadReferenceSymbol(s)) {
			return false;
		}
		return s.getSymbolType() == SymbolType.FUNCTION;
	}
Checks if the symbol is at a function
@param s the symbol to check.
@return boolean true if there is a function at the symbol's address.
Ghidra/Features/Base/src/main/java/ghidra/app/util/SymbolInspector.java