Update uniquewords.c

uniquewords.c

-
 #include <stdio.h>
 #include <string.h>
 #include <ctype.h>
@@ -17,6 +16,7 @@ typedef struct {
 void process_file(const char *filename);
 int count_unique_words(char *line, WordCount *word_counts, int *unique_word_count);
 int find_word(WordCount *word_counts, int unique_word_count, const char *word);
+void remove_punctuation(char *line);
 
 int main() 
 {
@@ -45,6 +45,7 @@ void process_file(const char *filename)
 
     while (fgets(line, sizeof(line), file)) 
     {
+        remove_punctuation(line);
         count_unique_words(line, word_counts, &unique_word_count);
     }
 
@@ -53,6 +54,21 @@ void process_file(const char *filename)
     printf("There are %d different words in this text.\n", unique_word_count);
 }
 
+// Function to remove punctuation from a line
+void remove_punctuation(char *line) 
+{
+    char *src = line, *dst = line;
+    while (*src) 
+    {
+        if (!ispunct((unsigned char)*src)) 
+        {
+            *dst++ = *src;
+        }
+        src++;
+    }
+    *dst = '\0';
+}
+
 // Function to count unique words in a line
 int count_unique_words(char *line, WordCount *word_counts, int *unique_word_count) 
 {
@@ -103,3 +119,4 @@ int find_word(WordCount *word_counts, int unique_word_count, const char *word)
     }
     return -1;
 }
+