test/core/test_vprintf.c

/*
 * Copyright 2016 The Emscripten Authors.  All rights reserved.
 * Emscripten is available under two separate licenses, the MIT license and the
 * University of Illinois/NCSA Open Source License.  Both these licenses can be
 * found in the LICENSE file.
 */

#include <stdio.h>
#include <stdarg.h>

void print(const char* format, ...) {
  va_list args;
  va_start(args, format);
  vprintf(format, args);
  va_end(args);
}

int main() {
  print("Call with %d variable argument.\n", 1);
  print("Call with %d variable %s.\n", 2, "arguments");

  return 0;
}