--- bsflite-0.82/bsf.c	2007-08-30 14:42:31.840748704 -0400
+++ bsflite-0.82.new/bsf.c	2007-08-30 22:59:22.068905184 -0400
@@ -47,6 +47,55 @@
 time_t          last_keystroke_time;
 
 /* PROTO */
+int
+length(char string[])
+{
+	int index;
+
+	for (index = 0; string[index] != '\0'; ++index)
+		continue;
+
+	return (index);
+}
+
+/* void remove_last_word(char *string)
+ *
+ * *string:	A pointer to a string to remove the last word from.
+ *
+ * Returns: Absolutely nothing.
+ *
+ * Remove the last "word" from a string, including trailing
+ * spaces, if any.
+ */
+void remove_last_word(char *string) {
+	int cursor;
+
+	/* First shave off trailing spaces. */
+	for(cursor=strlen(string)-1; string[cursor] == ' ' && cursor > 0; cursor--)
+		string[cursor] = 0;
+
+	/* Then shave off everything until the next space. */
+	for(cursor=strlen(string)-1; string[cursor] != ' ' && cursor > 0; cursor--)
+		continue;
+
+	/* If we've removed everything from the string, just null
+	 * it all out. Otherwise, shuffle some strings around to
+	 * make the final truncated copy. */
+	if(cursor < 1) {
+		memset(string, 0, strlen(string));
+	} else {
+		char *newstring;
+		newstring = malloc((cursor+1) * sizeof(char));
+		memset(newstring, 0, (cursor+1) * sizeof(char));
+
+		strncpy(newstring, string, cursor);
+		memset(string, 0, strlen(string));
+
+		strcpy(string, newstring);
+		free(newstring);
+	}
+}
+
 void
 addtoinputbuf(char inchr)
 {
@@ -245,6 +294,11 @@
 
 				show_prompt();
 				break;
+			case 23: /* CTRL-W */
+				eraseline();
+				remove_last_word(inputbuf);
+				show_prompt();
+				break;
 			case 12:
 
 #if !defined(__MINGW32__) && !defined(PLAN9)