nb                 28 os/unix/ngx_socket.c     int  nb;
nb                 30 os/unix/ngx_socket.c     nb = 1;
nb                 32 os/unix/ngx_socket.c     return ioctl(s, FIONBIO, &nb);
nb                 39 os/unix/ngx_socket.c     int  nb;
nb                 41 os/unix/ngx_socket.c     nb = 0;
nb                 43 os/unix/ngx_socket.c     return ioctl(s, FIONBIO, &nb);