varargs.c
author Markus Bröker <mbroeker@largo.dyndns.tv>
Thu, 16 Apr 2009 12:49:11 +0200
changeset 32 9b56360ec64e
parent 29 7abf6146898e
permissions -rw-r--r--
crypt extended committer: Markus Bröker <mbroeker@largo.homelinux.org>
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/**
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 * test/demos/varargs.c
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 * Copyright (C) 2008 Markus Broeker
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 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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int params (char *fmt, ...)
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{
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    int i = 0;
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    va_list list;
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    char c;
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    char *s;
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    int value;
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    va_start (list, fmt);
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    while (*list) {
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        switch (*fmt++) {
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        case 'c':
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            c = va_arg (list, int);
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            printf ("  Char: %c\n", c);
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            i++;
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            break;
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        case 's':
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            s = va_arg (list, char *);
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            printf ("String: %s\n", s);
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            i++;
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            break;
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        case 'd':
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            value = va_arg (list, int);
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            printf (" Value: %d\n", value);
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            i++;
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            break;
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        default:
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            printf ("Unknown format character\n");
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        }
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    }
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    va_end (list);
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    return i;
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}
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int main (int argc, char **argv)
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{
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    printf ("Number of Parameter: %d\n", params ("Xcssssd", 'I', "made", "this", "application", "in", 2008, NULL));
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    return EXIT_SUCCESS;
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}