public static boolean isValidCLanguageChar(char c) {
		return Character.isLetterOrDigit(c) || c == '_'; // underscore
	}
Returns true if the character is OK to be contained inside C language string. That is, the
string should not be tokenized on this char.

@param c the char
@return boolean true if it is allows in a C string
Ghidra/Framework/Generic/src/main/java/ghidra/util/StringUtilities.java