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Text File  |  1991-06-10  |  264 b   |  14 lines
  1. #!/usr/bin/perl
  2.  
  3. open (IOCTLS,'/usr/include/sys/ioctl.h') || die "ioctl open failed";
  4.  
  5. while (<IOCTLS>) {
  6.     if (/^\s*#\s*define\s+\w+\s+_IO(R|W|WR)\('?\w+'?,\s*\w+,\s*([^)]+)/) {
  7.     $need{$2}++;
  8.     } 
  9. }
  10.  
  11. foreach $key ( sort keys %need ) {
  12.     print $key,"\n";
  13. } 
  14.