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Annotation of researchv9/cmd/emacs/emacs_io.h, revision 1.1.1.1

1.1       root        1: 
                      2: /* EMACS_MODES: c !fill */
                      3: 
                      4: #ifdef OWNER
                      5: #define EXTERN
                      6: #else
                      7: #define EXTERN extern
                      8: #endif
                      9: 
                     10: #ifdef pdp11
                     11: #define BUFSIZ  512
                     12: #else
                     13: #define BUFSIZ 1024
                     14: #endif
                     15: extern  struct  iobuf {
                     16:         int     _cnt;
                     17:         char    *_ptr;
                     18:         int     _frn;
                     19:         int     _flags;
                     20:         char    _buf[BUFSIZ];
                     21: };
                     22: 
                     23: /* values for _flags */
                     24: 
                     25: #define _OUTPUT 01
                     26: #define _INPUT 02
                     27: #define _DEAD 04
                     28: #define _ERROR 010
                     29: 
                     30: #ifdef v8
                     31: #undef NULL
                     32: #endif
                     33: #define NULL    0
                     34: #define FILE    struct iobuf
                     35: #define EOF     (-1)
                     36: 
                     37: EXTERN int donttime;
                     38: EXTERN struct iobuf _stdout;
                     39: EXTERN int no_io;                      /* Flag to force off I/O */
                     40: 
                     41: EXTERN int outproc;                    /* Process to send output to */
                     42: EXTERN int inproc;                     /* Process to receive input from */
                     43: EXTERN int procbuf;                    /* Buffer coupled to this. */
                     44: EXTERN int procpid;
                     45: 
                     46: /* input buffer */
                     47: 
                     48: #define INLOOK 1
                     49: 
                     50: 
                     51: EXTERN char *inbuf;
                     52: EXTERN char *inptr;
                     53: EXTERN int incnt;
                     54: EXTERN int infrn;
                     55: EXTERN int inlev;
                     56: 
                     57: /* INPUT BUFFER STACK */
                     58: 
                     59: #define NINP 32                         /* levels of calls */
                     60: EXTERN char _inbuf[NINP] [INLOOK];
                     61: EXTERN int _incnt[NINP];
                     62: EXTERN char *_inptr[NINP];
                     63: EXTERN int _infrn[NINP];
                     64: 
                     65: #define stdout  (&_stdout)
                     66: #define putc(x,p)       p->_buf[p->_cnt++] = (unsigned)(x);if (p->_cnt>=BUFSIZ) mflush(p)
                     67: #define putchar(x)      putc(x,stdout)
                     68: #define getc(p)         ((--((p)->_cnt)>=0)? *((p)->_ptr++)&0377:filbuf(p))
                     69: #define MOREIN  (incnt)
                     70: #define Mgetchar(x) ((*inptr++) &0377)
                     71: /* function definitions */
                     72: 
                     73: EXTERN FILE *xopen();
                     74: EXTERN FILE *fdopen();
                     75: EXTERN int filbuf();

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