2.9BSD - /usr/src/lib/c/stdio/data.c

   1: /*	@(#)data.c	2.2	SCCS id keyword	*/
   2: #include <stdio.h>
   3: char    _sibuf[BUFSIZ];
   4: char    _sobuf[BUFSIZ];
   5: 
   6: struct  _iobuf  _iob[_NFILE] = {
   7:     { _sibuf, 0, _sibuf, _IOREAD, 0},
   8: #ifndef UCB_STDIO
   9:     { NULL, 0, NULL, _IOWRT, 1},
  10: #else
  11:     { _sobuf, 0, _sobuf, _IOWRT, 1},
  12: #endif
  13:     {NULL, 0, NULL, _IOWRT+_IONBF, 2},
  14: };
  15: /*
  16:  * Ptr to end of buffers
  17:  */
  18: struct  _iobuf  *_lastbuf = { &_iob[_NFILE] };

Defined variables