1 /**

     2  * test/demos/varargs.c

     3  * Copyright (C) 2008 Markus Broeker

     4  */

     5 

     6 #include <stdio.h>

     7 #include <stdlib.h>

     8 #include <stdarg.h>

     9 

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

    11 {

    12     int i = 0;

    13 

    14     va_list list;

    15 

    16     char c;

    17     char *s;

    18 

    19     int value;

    20 

    21     va_start (list, fmt);

    22 

    23     while (*list) {

    24         switch (*fmt++) {

    25         case 'c':

    26             c = va_arg (list, int);

    27 

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

    29             i++;

    30             break;

    31         case 's':

    32             s = va_arg (list, char *);

    33 

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

    35             i++;

    36             break;

    37         case 'd':

    38             value = va_arg (list, int);

    39 

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

    41             i++;

    42             break;

    43         default:

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

    45         }

    46     }

    47 

    48     va_end (list);

    49 

    50     return i;

    51 }

    52 

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

    54 {

    55 

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

    57 

    58     return EXIT_SUCCESS;

    59 }