new file mode 100644
--- /dev/null
+++ b/src/sentence.c
@@ -0,0 +1,164 @@
+/**
+ *  $Id: sentence.c 53 2008-01-10 00:19:41Z mbroeker $
+ * $URL: http://localhost/svn/c/VirtualReader/trunk/src/sentence.c $
+ */
+
+#include <sentence.h>
+
+int words (char *ptr)
+{
+    char *buffer = NULL;
+    char *token;
+    int count = 0;
+
+    if (ptr != NULL)
+        buffer = strdup (ptr);
+
+    if (buffer == NULL)
+        return -1;
+
+    token = strtok (buffer, " ");
+    while (token != NULL) {
+        token = strtok (NULL, " ");
+        count++;
+    }
+
+    if (buffer != NULL)
+        free (buffer);
+
+    return count;
+}
+
+int *parse (char *buf)
+{
+    int count = 0;
+    int i;
+    int *s_ptr = NULL;
+
+    s_ptr = malloc (2 * sizeof (int));
+    s_ptr[count++] = 0;
+
+    for (i = 0; i < strlen (buf); i++)
+        switch (buf[i]) {
+        case '\n':
+        case '\t':
+        case '"':
+        case '\'':
+            buf[i] = ' ';
+            break;
+        case '.':
+        case '!':
+        case '?':
+            s_ptr = realloc (s_ptr, (count + 2) * sizeof (int));
+            if (s_ptr == NULL) {
+                printf ("Not enough memory\n");
+                return NULL;
+            }
+            s_ptr[count++] = ++i;
+            break;
+        default:
+            break;
+        }
+
+    s_ptr[count] = 0;
+
+    return s_ptr;
+}
+
+char *readbuffer (char *fname)
+{
+    FILE *f;
+    char *text = NULL;
+    char buffer[201];
+
+    if ((f = fopen (fname, "r")) == NULL) {
+        fprintf (stderr, "ERROR: Cannot open %s for reading!\n", fname);
+        return NULL;
+    }
+
+    text = malloc (2);
+    *text = 0;
+
+    while (fgets (buffer, 200, f) != 0) {
+        if ((text = realloc (text, strlen (text) + strlen (buffer) + 1)) == NULL) {
+            printf ("Not enough memory\n");
+            return NULL;
+        };
+        strcat (text, buffer);
+        *buffer = 0;
+    }
+
+    fclose (f);
+    return text;
+}
+
+char *getSentence (char *text, int start, int end)
+{
+    int i;
+    char *value = NULL;
+
+    if ((i = end - start) < 0)
+        return NULL;
+
+    value = malloc (i + 1);
+    if (value == NULL)
+        return NULL;
+
+    i = 1;
+    while (i) {
+        switch (text[start]) {
+        case '.':
+        case ',':
+        case '!':
+        case '?':
+        case '(':
+        case ')':
+        case '\n':
+        case ' ':
+            start++;
+            break;
+        default:
+            i = 0;
+            break;
+        }
+    }
+
+    for (i = start; i < end; i++) {
+        value[i - start] = text[i];
+    }
+
+    value[i - start] = 0;
+
+    return value;
+}
+
+char **getstrings (char *Text, int *value)
+{
+    char *ptr;
+    int i = 0;
+    int count = 0;
+    char **sentences = NULL;
+    int *s_ptr;
+
+    if ((s_ptr = parse (Text)) == NULL)
+        return NULL;
+
+    while (s_ptr[i + 1] > 0) {
+        if ((ptr = getSentence (Text, s_ptr[i], s_ptr[i + 1])) == NULL)
+            return NULL;
+        if (strlen (ptr) > 0) {
+            if ((sentences = realloc (sentences, (count + 1) * sizeof (char *) + 1)) == NULL)
+                return NULL;
+            sentences[count++] = strdup (ptr);
+        }
+        if (ptr != NULL)
+            free (ptr);
+        i++;
+    }
+
+    if (s_ptr)
+        free (s_ptr);
+
+    *value = count;
+    return sentences;
+}