#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_dlclose)(void*) = dlclose;

char*(*p_dlerror)(void) = dlerror;

void*(*p_dlopen)(const char*,int) = dlopen;

void*(*p_dlsym)(void*restrict,const char*restrict) = dlsym;

}