ver_2_4           300 syscallsreal.c     const char *ver_2_4 = "GLIBC_2.4";
ver_2_4           304 syscallsreal.c     void *addr = dlvsym(RTLD_NEXT, "pthread_cond_signal", ver_2_4);
ver_2_4           306 syscallsreal.c       pthread_sym_ver = ver_2_4;