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C/C++ Source or Header  |  1988-11-09  |  332 b   |  21 lines
  1. #include <stdio.h>
  2.  
  3. void setbuf(fp, buf)
  4.     register FILE *fp;
  5.     unsigned char *buf;
  6.     {
  7.     fp->_flag &= ~(_IOFBF | _IOLBF | _IONBF | _IOMYBUF);
  8.     fp->_cnt = 0;
  9.     fp->_ptr = buf;
  10.     if(fp->_base = buf)        /* assignment intentional */
  11.         {
  12.         fp->_flag |= _IOFBF;
  13.         fp->_bsiz = BUFSIZ;
  14.         }
  15.     else
  16.         {
  17.         fp->_flag |= _IONBF;
  18.         fp->_bsiz = 0;
  19.         }
  20.     }
  21.