glwthread_recmutex_trylock  106 maint/gnulib/lib/mtx.c       err = glwthread_recmutex_trylock (&mutex->u.u_recmutex);
glwthread_recmutex_trylock   49 maint/gnulib/lib/windows-recmutex.h extern int glwthread_recmutex_trylock (glwthread_recmutex_t *mutex);