wcl code

wcl.c

@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <ctype.h>
+int countLines(const char* fname);
+int countBytes (const char* fname);
+int countWords (const char* fname);
+
+int main(int argc, char *argv[]) 
+{
+	int nlines = 0;
+	int nbytes = 0;
+	int nwords = 0;
+	for(int i=1; i < argc; i++)
+	{
+		nlines = countLines(argv[i]);
+		nbytes = countBytes(argv[i]);
+		nwords = countWords(argv[i]);
+		printf("%s: lines - %d, bytes - %d, words - %d\n", argv[i], nlines, nbytes, nwords);
+	}
+    return 0;
+}
+
+int countLines(const char* fname) 
+{
+	FILE* file = fopen(fname, "r");
+    int lines = 0;
+    char buffer[1024];
+    while (fgets(buffer, sizeof(buffer), file) != NULL) 
+    {lines++;}
+    fclose(file);
+    return lines;
+}
+
+int countBytes (const char* fname)
+{
+	FILE* file = fopen(fname, "r");
+	int bytes = 0;
+	int c;
+	while ((c = fgetc(file)) != EOF) 
+	{
+		bytes++;
+	}
+	return bytes;
+}
+
+int countWords (const char* fname)
+{
+    FILE* file = fopen(fname, "r");    
+    int words = 0;
+    int c;
+    int is_in_word = 0;
+    while ((c = fgetc(file)) != EOF) 
+    {    
+        if (isspace(c)) 
+        {is_in_word = 0;}
+        else 
+        {
+            if (is_in_word == 0) 
+            {
+                words++;
+                is_in_word = 1; 
+            }
+        }
+    }
+    return words;
+}