word count

Author: ivanbrennan

prog.10.7.c

@@ -0,0 +1,46 @@
+// Function to determine if a character is alphabetic
+
+#include <stdio.h>
+#include <stdbool.h>
+
+bool alphabetic (const char c)
+{
+	if ( (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') )
+		return true;
+	else
+		return false;
+}
+
+/* Function to count the number of words in a string */
+
+int countWords (const char string[])
+{
+	int		i, wordCount = 0;
+	bool	lookingForWord = true, alphabetic (const char c);
+
+	for ( i = 0; string[i] != '\0'; ++i )
+		if ( alphabetic(string[i]) )
+		{
+			if ( lookingForWord )
+			{
+				++wordCount;
+				lookingForWord = false;
+			}
+		}
+		else
+			lookingForWord = true;
+
+	return wordCount;
+}
+
+int main (void)
+{
+	const char text1[] = "Well, here goes.";
+	const char text2[] = "And here we go... again.";
+	int countWords (const char string[]);
+
+	printf ("%s - words = %i\n", text1, countWords (text1));
+	printf ("%s - words = %i\n", text2, countWords (text2));
+
+	return 0;
+}