dlsym              45 sample/dso/ftdmload.c 		real_dlopen = dlsym(RTLD_NEXT, "dlopen");
dlsym              66 sample/dso/ftdmload.c 		real_dlclose = dlsym(RTLD_NEXT, "dlclose");
dlsym             107 src/ftdm_dso.c 	void *func = dlsym(lib, sym);