O_NONBLOCK        331 lib/fcntl.in.h # define O_NONBLOCK O_NDELAY
O_NONBLOCK        342 lib/fcntl.in.h #  undef O_NONBLOCK
O_NONBLOCK        343 lib/fcntl.in.h #  define O_NONBLOCK 0x40000000
O_NONBLOCK        142 nt/inc/sys/socket.h #define O_NONBLOCK  04000