NGX_HAVE_ACCEPT4   29 event/ngx_event_accept.c #if (NGX_HAVE_ACCEPT4)
NGX_HAVE_ACCEPT4   52 event/ngx_event_accept.c #if (NGX_HAVE_ACCEPT4)
NGX_HAVE_ACCEPT4   72 event/ngx_event_accept.c #if (NGX_HAVE_ACCEPT4)
NGX_HAVE_ACCEPT4   63 os/unix/ngx_posix_init.c #if (NGX_HAVE_INHERITED_NONBLOCK || NGX_HAVE_ACCEPT4)