uv_once          1997 include/uv.h   UV_EXTERN void uv_once(uv_once_t* guard, void (*callback)(void));
uv_once           160 src/unix/threadpool.c   uv_once(&once, init_once);
uv_once           134 src/win/core.c   uv_once(&uv_init_guard_, uv_init);
uv_once           139 src/win/core.c   uv_once(&uv_default_loop_init_guard_, uv_default_loop_init);
uv_once            63 src/win/poll.c   uv_once(&overlapped_dummy_init_guard_, uv__init_overlapped_dummy);
uv_once           970 src/win/process.c       uv_once(&uv_global_job_handle_init_guard_, uv__init_global_job_handle);