1 /*

     2  *     $Id: varargs.c,v 1.1.1.1 2008-04-28 17:32:53 mbroeker Exp $

     3  * $Source: /development/c/demos/varargs.c,v $

     4  *

     5  */

     6 

     7 #include <stdio.h>

     8 #include <stdlib.h>

     9 #include <stdarg.h>

    10 

    11 int params (char *fmt, ...)

    12 {

    13     int i = 0;

    14     va_list list;

    15     char c;

    16     char *s;

    17     int value;

    18 

    19     va_start (list, fmt);

    20 

    21     while (*list) {

    22         switch (*fmt++) {

    23         case 'c':

    24             c = va_arg (list, int);

    25 

    26             printf ("  Char: %c\n", c);

    27             i++;

    28             break;

    29         case 's':

    30             s = va_arg (list, char *);

    31 

    32             printf ("String: %s\n", s);

    33             i++;

    34             break;

    35         case 'd':

    36             value = va_arg (list, int);

    37 

    38             printf (" Value: %d\n", value);

    39             i++;

    40             break;

    41         default:

    42             printf ("Unknown format character\n");

    43         }

    44     }

    45 

    46     va_end (list);

    47 

    48     return i;

    49 }

    50 

    51 int main (int argc, char **argv)

    52 {

    53 

    54     printf ("Number of Parameter: %d\n", params ("Xcssssd", 'I', "made", "this", "application", "in", 2008, NULL));

    55 

    56     return EXIT_SUCCESS;

    57 }