#include <stdio.h>      /* declarations for printf, fgets, BUFSIZ */
#include <string.h>     /* declaration for strlen */

int main()
{
    char input[BUFSIZ];
    int lineNum = 1;

    printf("Enter lines of input; use Control-D to exit:\n");
    while (fgets (input, BUFSIZ, stdin))   /* fgets returns NULL at EOF */
    {
        int length = strlen(input);      /* length of line read in */
        if ( length == 0 )
            continue;                     /* if empty, read next line */

        /* If the last character in the string is a newline ('\n'), "remove" it
         * by replacing it with a null byte. (On Windows, the newline might
         * be preceded by a separate carriage return ('\r'.)
         */
        if (input[length - 1] == '\n')
            input[--length] = '\0';      /* pre-decrement length; replace '\n' */
        if (input[length - 1] == '\r')
            input[--length] = '\0';      /* pre-decrement length; replace '\r' */

        /* Print some information about the line. */
        printf("Line %d: Contents: %s.\n", lineNum, input);
        printf("\tThe length is %d, the first character is: %c\n",
            length, input[0]);
        lineNum++;
    }
}