#include <apr.h>
#include <apr_file_io.h>
#include <apr_getopt.h>
 
 
/* Compile with 
 * $> export APR_LIBS="`apr-1-config --cflags --cppflags --includes --ldflags --link-ld --libs`"
 * $> export APU_LIBS="`apu-1-config --includes --ldflags --link-ld --libs`"
 * $> gcc $APR_LIBS $APU_LIBS aprGetoptLong.c -o aprGetoptLong
 */
int main(int argc, const char * const *argv)
{
  apr_pool_t *p = NULL;
  apr_getopt_t *cmdLineArgs = NULL;
  apr_status_t rv;
  int optChar = 0;
  const char *optArg = NULL;
 
  /* Will hold the position for the non optional 
   * args in the APR parsed argv  
   */
  int processedOptions = 0;
 
  /* cleanly handle fileIO this time */
  apr_file_t *out = NULL;
  apr_file_t *err = NULL;
 
  /* Let's handle long opts too */
  const apr_getopt_option_t longOpts[] = {{"help", 'h', 0, "Show help"}, {"choose", 'c', 1, "Choose something"}}; 
 
  /* init APR, create memory pool */
  apr_initialize();
  atexit(apr_terminate);
  apr_pool_create(&p, NULL);
 
  /* Open stdin, stderr */
  apr_file_open_stdout(&out, p);
  apr_file_open_stderr(&err, p);
 
  /* init APRs getopt */
  apr_getopt_init(&cmdLineArgs, p, argc, argv);
 
  /* Allow options to be added after arguments */
  cmdLineArgs->interleave = 1;
 
  /* Now step through the options given */
  while ((rv = apr_getopt_long(cmdLineArgs, longOpts, &optChar, &optArg)) == APR_SUCCESS) {
    switch(optChar) {
    case 'h':
      apr_file_printf(out, "Read option h ...\n");
      break;
    case 'c':
      apr_file_printf(out, "Read option c with argument %s \n", optArg);
      break;
    default:
      apr_file_printf(out, "Default reached ...\n");
    }
  }
 
  if (APR_STATUS_IS_BADCH(rv)) {
    apr_file_printf(err, "Read bad option ...\n");
  }
 
  processedOptions = cmdLineArgs->ind;
  /* Now spit out non options */
  while (processedOptions < argc) {
    apr_file_printf(out, "Non opt arg: %s\n", cmdLineArgs->argv[processedOptions++]);
  }
 
 
  apr_pool_destroy(p);
  return 0;
}