const char *punct = "';.,";
/* Check if a character is punctuation. */
int
checkpunct(char ch)
{
	int i;
	for (i = 0; punct[i] != '\0'; ++i)
		if (ch == punct[i])
			return 1;

	return 0;
}

const char *blank = " \n\r\t";
/* Check if a character is a blank. */
int
checkblank(char ch)
{
	int i;
	for (i = 0; blank[i] != '\0'; ++i)
		if (ch == blank[i])
			return 1;

	return 0;
}