/* Copyright (c) 2001-2009 by SoftIntegration, Inc. All Rights Reserved */
#include<dlfcn.h>

return_type(*getFunction2(data_type1 arg1))() {
  void *dlhandle, *fptr;
  return_type (*retval)();

  /* load the dynamically loaded library */
  dlhandle = dlopen("libproject.dl", RTLD_LAZY);
  if(dlhandle == NULL) {
    fprintf(_stderr, "Error: %s(): dlopen(): %s\n", __func__, 
                      dlerror());
    return FAIL_VALUE; /* FAIL_VALUE is typically NULL for point
                          and negative value for integral type */
  }

  /* get the address by function name */
  fptr = dlsym(dlhandle, "getFunction2_chdl");
  if(fptr == NULL) {
    printf("Error: %s(): dlsym(): %s\n", __func__, dlerror());
    return;
  }

  /* call the chdl function in dynamically loaded library by address 
   arguments are passed to chdl function here */
  dlrunfun(fptr, &retval, getFunction2, arg1);

  /* close the dynamically loaded library */
  if(dlclose(dlhandle)!=0) {
    fprintf(_stderr, "Error: %s(): dlclose(): %s\n", __func__, 
                      dlerror());
    return FAIL_VALUE;
  }

  return retval;
}
