Dictionary using File Processing - C Program

#include <stdio.h>      /* C Standard Input and Output Library*/
#define array_size 1000 /* Constant size of the array to be used in storage of strings that makes up the dictionary*/
 
/* Variable declarations */
char dictionary_array[array_size][20];
char word_to_be_searched[20], *pointer_dictionary_array, *pointer_word_to_be_searched, loop_program_character;
int counter, input_counter;
FILE *file_pointer;
 
 
 /* Prototyping of functions*/
char* search_dictionary_for_word(char *pointer_dictionary_array, char *pointer_word_to_be_searched);
char* add_word_in_dictionary (char *pointer_dictionary_array, char *pointer_word_to_be_searched);
 
 
 int main() /* The main method*/
 {  /* Brief details on the screen about the program*/
    printf(" /*************************************************************************\n *                   Mureithi David Wachira                               *\n *                   P15/2204/2011                                        *\n *                                                                        *\n *                   University of Nairobi                                *\n *                   School of Computing & Informatics                    *\n *                                                                        *\n *                   Course: PROGRAMMING AND PROBLEM SOLVING  (CSC 121)   *\n *                   Date:   Tuesday 02nd April 2013                      *\n *                                                                        *\n *                   A program that searches for a word in a              *\n *                   dictionary.                                          *\n *                         - Create a small dictionary of strings         *\n *                   	   - Not in order                                 *\n *                   	   - Create an interface for user to search       *\n *                           for a word in the dictionary                 *\n *                                                                        *\n *                   If the word is not found, the word is added to       *\n *                   the dictionary.                                      *\n *                   The dictionary has 1000 words (English/Swahili)      *\n *                                                                        *\n *                    Version 2 (Using files)                             *\n *************************************************************************/\n");
 
           /* Populate the dictionary from the file */
           if ( (file_pointer = fopen("dictionary.txt", "r") ) == NULL )
	          { printf( "File could not be opened.\n" );}
	       else
              {
                  if(file_pointer !=EOF)
                  {   printf("The words available in the dictionary are :\n");
                      for( input_counter=0; input_counter<1000; input_counter++)
                        {
                            while((fscanf(file_pointer, " %[^ ]s", &dictionary_array[input_counter])) > 0)
                              {
                                printf("%10s\t",dictionary_array[input_counter]);
                                input_counter += 1;
                              }
                         }
                  }
              }
 
 
 
    do
    {       counter=0;
            printf("\n\nPlease enter the word to be searched :\n");          /* Prompt to instruct use to enter the string to be searched*/
            scanf("%s",&word_to_be_searched);                            /* Capture of the search string by the system*/
            search_dictionary_for_word(dictionary_array, word_to_be_searched);
 
            printf("\n------------------------------------------------------------------------------\nDo you want to search for another word? \nPress Y to continue or any other \nto exit : ");
            scanf(" %c", &loop_program_character);
            printf("\n------------------------------------------------------------------------------\n");
    }
    while (loop_program_character=='y'||loop_program_character=='Y');
 
    return 0;/* An indication that the program runs successfully*/
 } /* The end of the main method*/
 
char* search_dictionary_for_word(char *pointer_dictionary_array, char *pointer_word_to_be_searched)
{   while (*pointer_dictionary_array!='\0')         /* Until the end of array character is encountered*/
     {
             if ((strcmp(pointer_dictionary_array, pointer_word_to_be_searched))==0)
                {   printf("\nThe word \"%s\" is in the dictionary at position %d\n",word_to_be_searched, pointer_dictionary_array);          /* Ouput to the screen to show that the two strigns are equal*/
                     return 0;
                 }
 
             else {
                     //printf("Searched for \"%3s\" but found \"%3s\" %-5s\t\t%5d\n", word_to_be_searched, pointer_dictionary_array, " at position", pointer_dictionary_array);
                     counter = counter+1;
                     pointer_dictionary_array= &dictionary_array[counter][0];         /* Pointer moves to the next index of the array of characters (string)*/
                  }
     }
 
     add_word_in_dictionary (dictionary_array, word_to_be_searched);                   /* Calling the function add_word_in_dictionary() */
     return pointer_dictionary_array;
}
 
char* add_word_in_dictionary (char *pointer_dictionary_array, char *pointer_word_to_be_searched)
{
        pointer_dictionary_array=&dictionary_array[counter][0];
        strcpy(pointer_dictionary_array, pointer_word_to_be_searched);
        printf("\nThe word \"%s\" has not been found in the dictionary but has been added \nin the dictionary at position %d\n",pointer_word_to_be_searched, pointer_dictionary_array);
        return pointer_dictionary_array;
}