C Program To count the lines,words & charcters in a given text

To count the lines,words & charcters in a given text

#include <stdio.h>

main()

{

            char line[81], ctr;

            int i,c,

                                    end = 0,

                                    characters = 0,

                                    words = 0,

                                    lines = 0;

            printf("KEY IN THE TEXT.\n");

            printf("GIVE ONE SPACE AFTER EACH WORD.\n");

            printf("WHEN COMPLETED, PRESS 'RETURN'.\n\n");

            while( end == 0)

            {

                        /* Reading a line of text */

                        c = 0;

                        while((ctr=getchar()) != '\n')

                                    line[c++] = ctr;

                        line[c] = '\0';

                        /* counting the words in a line */

                        if(line[0] == '\0')

                                    break ;

                        else

                        {

                                    words++;

                                    for(i=0; line[i] != '\0';i++)

                                                            if(line[i] == ' ' || line[i] == '\t')

                                                                        words++;

                        }

                        /* counting lines and characters */

                        lines = lines +1;

                        characters = characters + strlen(line);

            }

            printf ("\n");

            printf("Number of lines = %d\n", lines);

            printf("Number of words = %d\n", words);

            printf("Number of characters = %d\n", characters);

}