compilers/linux86-0.16.17/unproto/varargs.c

   1  /*
   2   * @(#) varargs.c 1.1 91/09/01 23:08:45
   3   *
   4   * This program can be used to verify that the stdarg.h file is set up
   5   * correctly for your system. If it works, it should print one line with the
   6   * text "stdarg.h works".
   7   */
   8
   9 #include <stdio.h>
  10 #include "stdarg.h"
  11
  12 main(int argc, char *argv[])
  13 {
  14     varargs_test("%s %s\n", "stdarg.h", "works");
  15 }
  16
  17 varargs_test(char *fmt, ...)
  18 {
  19     va_list ap;
  20
  21     va_start(ap, fmt);
  22     while (*fmt) {
  23         if (strncmp("%s", fmt, 2) == 0) {
  24             fputs(va_arg(ap, char *), stdout);
  25             fmt += 2;
  26         } else {
  27             putchar(*fmt);
  28             fmt++;
  29         }
  30     }
  31     va_end(ap);
  32 }