#include <stdio.h>
#include <string.h>

void reverse( char *str );

int main(void)
{

    char line[100];
    char delim[] = " ";
    char *words = NULL;
    char *end;

    int count = 0;

    printf("Please enter a line of text. Enter new line to complete entry\n");
    fgets(line,100,stdin);

    words = strtok( line, delim );
    while ( words != NULL )
        {
            count++;
            words = strtok( NULL, delim );
        }

    *strchr(line, '\n') = '\0';
    end = line + strlen(line);


    printf("Number of words in your text: %d\n", count);
    printf("\nThe input date encoded:\n");

    for( ; end > line; end-- )
    {

        if (*end == '\0')
        printf("%s\n", end + 1);

    }

    printf("\n");

    return 0;
}

void reverse(char *str)
{
    char st_letter = str[0], *ptr;

    for (ptr = str + 1; *ptr; ptr++)
        *(ptr - 1) = *ptr;

    *(ptr - 1) = st_letter;
}