Update pro1.c

assignments/practice/programs/pro1.c

-/* Credits to w3resources for program */
+/** 
+ * @file        prob1.c
+ * @brief       This file contains functions count the words and characters in given file
+ *  
+ * @author      Akshata Salunkhe
+ * @bugs        No known bugs.
+ *
+ */
+
+
+/*
+ *#####################################################################
+ *  Initialization block
+ *  ---------------------
+ *#####################################################################
+ */
+
+/* --- Standard Includes --- */
 #include <stdio.h>
 #include <stdlib.h>
 
+/**
+* Start the main program 
+*/
+
 void main() 
 { 
+    /* Declare the variable to Open the file */
     FILE *fptr; 
+    /* Declare char variable */
     char ch; 
+    
+    /* Declare and initialize the variables for the count of words and characters in given file */
     int wrd=1,charctr=1;
+    /* Declare and initialize the array */
     char fname[20];
+    
+    /* write the statements to print */
     printf("\n\n Count the number of words and characters in a file :\n");
 	printf("---------------------------------------------------------\n"); 
 	printf(" Input the filename to be opened : ");
-	scanf("%s",fname);    
-
+	
+	/* Take the input from user*/
+	scanf("%s",fname); 
+	
+	
+    /* Open the input file*/
     fptr=fopen(fname,"r"); 
+    
+    /* Check the file is empty or not*/
     if(fptr==NULL) 
      { 
+         /* If file is empty thenprint*/
          printf(" File does not exist or can not be opened."); 
       } 
     else 
         { 
+           /* get the content of file*/
           ch=fgetc(fptr); 
+         
+         /* Print all the data in file */
           printf(" The content of the file %s are : ",fname); 
+          
+          
+          /* Run the function until ch is not NULL*/
           while(ch!=EOF) 
             { 
+                /* print the every character in file */
                 printf("%c",ch); 
+                /* Check character in ch is null or empty line*/
                 if(ch==' '||ch=='\n')
                     { 
+                        /* if yes the increment the variable wrd*/
                         wrd++; 
                     }
                     else
                     {
+                        /* if no the increment the variable charctr*/
                         charctr++; 
                     }
+                /* access the new character from the file*/
                 ch=fgetc(fptr); 
             }
+            
+        /* Print the number of words in the file*/
         printf("\n The number of words in the  file %s are : %d\n",fname,wrd-2); 
+        /* Print the number of characters in the file*/
         printf(" The number of characters in the  file %s are : %d\n\n",fname,charctr-1);         
         } 
+        /* Close the file*/
     fclose(fptr); 
 }
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