dlsym 1321 dln.c init_fct = (void(*)())dlsym(handle, buf);
dlsym 1558 dln.c if ((init_fct = (void (*)())dlsym(handle, buf)) == NULL) {
dlsym 169 ext/dl/handle.c func = dlsym(handle, name);
dlsym 183 ext/dl/handle.c func = dlsym(handle, name_a);