once              122 src/libsir/include/sir/internal.h bool _sir_once(sir_once* once, sir_once_fn func);
once              544 src/libsir/src/sirinternal.c bool _sir_once(sir_once* once, sir_once_fn func) {
once              546 src/libsir/src/sirinternal.c     int ret = pthread_once(once, func);
once              549 src/libsir/src/sirinternal.c     return (FALSE != InitOnceExecuteOnce(once, func, NULL, NULL)) ? true