#include <dlfcn.h>

#define C(n) switch(n){case n:;}

static void f()

{

C(RTLD_LAZY)

C(RTLD_NOW)

C(RTLD_GLOBAL)

C(RTLD_LOCAL)

{int(*p)(void*) = dlclose;}

{char*(*p)(void) = dlerror;}

{void*(*p)(const char*,int) = dlopen;}

{void*(*p)(void*restrict,const char*restrict) = dlsym;}

}