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ndelay.c (210B)

      1 #include "ndelay.h"
      2 
      3 #include <sys/types.h>
      4 #include <fcntl.h>
      5 
      6 #ifndef O_NONBLOCK
      7 #define O_NONBLOCK O_NDELAY
      8 #endif
      9 
     10 int ndelay_on(fd)
     11 int fd;
     12 {
     13   return fcntl(fd,F_SETFL,fcntl(fd,F_GETFL,0) | O_NONBLOCK);
     14 }