1: #define BUFSIZ  512
   2: #define RMSSIZ  256
   3: #define _NFILE  20
   4: # ifndef FILE
   5: extern  struct  _iobuf {
   6:     char    *_ptr;
   7:     char    *_rms;
   8:     char    *_base;
   9: long    int _sectr;
  10: short   int _flag;
  11: short   int _cnt;
  12:     char    _links;
  13:     char    _file;
  14: short   int _maxoffset;
  15: long    int _maxsectr;
  16: } _iob[_NFILE];
  17: # endif
  18: 
  19: #define _IOREAD 01
  20: #define _IOWRT  02
  21: #define _IOBIN  04
  22: #define _IOPRT  010
  23: #define _IOMODE 014
  24: #define _IOTXT  00
  25: #define _IOMYBUF    002000
  26: #define _IOEOF  020
  27: #define _IOERR  040
  28: #define _IOSTRG 0100
  29: #define _IONBF  0200
  30: #define _IOTTY  0400
  31: #define _IODIRT 01000
  32: #define NULL    0
  33: #define FILE    struct _iobuf
  34: #define EOF (-1)
  35: 
  36: #define stdin   (&_iob[0])
  37: #define stdout  (&_iob[1])
  38: #define stderr  (&_iob[2])
  39: #define getc(p)     (--(p)->_cnt>=0? *(p)->_ptr++&0377:_filbuf(p))
  40: #define getchar()   getc(stdin)
  41: #define putchar(x)  putc(x,stdout)
  42: #define feof(p)     (((p)->_flag&_IOEOF)!=0)
  43: #define ferror(p)   (((p)->_flag&_IOERR)!=0)
  44: #define fileno(p)   p->_file
  45: 
  46: FILE    *fopen();
  47: FILE    *freopen();
  48: extern struct io$head {
  49:     int initzd;
  50:     int lobr;
  51:     FILE    *ufiles[_NFILE];
  52:     int hibr;
  53:     int mxbr;
  54:     int lopg;
  55:     int hipg;
  56:     int mxpg;
  57:     char    stinrms[RMSSIZ];
  58:     char    storms[RMSSIZ];
  59:     char    sterrms[RMSSIZ];
  60:     char    stinbuf[BUFSIZ];
  61:     char    stobuf[BUFSIZ];
  62:     char    sterbuf[BUFSIZ];
  63: } io_com ;
  64: 
  65: #define check(c,s); if (c) {errno = s; return(-1);}
  66: #define EBADF   9
  67: #define EINVAL  22
  68: #define EMFILE  24
  69: 
  70: extern int errno;

Defined struct's

_iobuf defined in line 5; never used
io$head defined in line 48; never used

Defined macros

BUFSIZ defined in line 1; used 3 times
EBADF defined in line 66; never used
EINVAL defined in line 67; never used
EMFILE defined in line 68; never used
EOF defined in line 34; never used
FILE defined in line 33; used 4 times
NULL defined in line 32; never used
RMSSIZ defined in line 2; used 3 times
_IOBIN defined in line 21; never used
_IODIRT defined in line 31; never used
_IOEOF defined in line 26; used 1 times
  • in line 42
_IOERR defined in line 27; used 1 times
  • in line 43
_IOMODE defined in line 23; never used
_IOMYBUF defined in line 25; never used
_IONBF defined in line 29; never used
_IOPRT defined in line 22; never used
_IOREAD defined in line 19; never used
_IOSTRG defined in line 28; never used
_IOTTY defined in line 30; never used
_IOTXT defined in line 24; never used
_IOWRT defined in line 20; never used
_NFILE defined in line 3; used 2 times
check defined in line 65; never used
feof defined in line 42; never used
ferror defined in line 43; never used
fileno defined in line 44; never used
getc defined in line 39; used 1 times
  • in line 40
getchar defined in line 40; never used
putchar defined in line 41; never used
stderr defined in line 38; never used
stdin defined in line 36; used 1 times
  • in line 40
stdout defined in line 37; used 1 times
  • in line 41
Last modified: 1982-06-09
Generated: 2016-12-26
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