3 #if defined(__cplusplus)
7 #include <sys/types.h> /* for off_t */
8 #include <fcntl.h> /* for O_RDONLY, O_WRONLY */
10 typedef struct Biobuf Biobuf;
15 Bungetsize = 4, /* space for ungetc */
20 Binactive = 0, /* states */
30 int icount; /* neg num of bytes at eob */
31 int ocount; /* num of bytes at bob */
32 int rdline; /* num of bytes after rdline */
33 int runesize; /* num of bytes of last getrune */
34 int state; /* r/w/inactive */
35 int fid; /* open file */
36 int flag; /* magic if malloc'ed */
37 off_t offset; /* offset of buffer in file */
38 int bsize; /* size of buffer */
39 unsigned char* bbuf; /* pointer to beginning of buffer */
40 unsigned char* ebuf; /* pointer to end of buffer */
41 unsigned char* gbuf; /* pointer to good data in buf */
42 unsigned char b[Bungetsize+Bsize];
46 ((bp)->icount?(bp)->bbuf[(bp)->bsize+(bp)->icount++]:Bgetc((bp)))
48 ((bp)->ocount?(bp)->bbuf[(bp)->bsize+(bp)->ocount++]=(c),0:Bputc((bp),(c)))
50 (((bp)->state==Bractive)?\
51 (bp)->offset + (bp)->icount:\
52 (((bp)->state==Bwactive)?\
53 (bp)->offset + ((bp)->bsize + (bp)->ocount):\
60 int Bbuffered(Biobuf*);
61 Biobuf* Bfdopen(int, int);
62 int Bfmtinit(Fmt*, Biobuf*);
67 int Bgetd(Biobuf*, double*);
68 int Binit(Biobuf*, int, int);
69 int Binits(Biobuf*, int, int, unsigned char*, int);
70 int Blinelen(Biobuf*);
71 off_t Boffset(Biobuf*);
72 Biobuf* Bopen(char*, int);
73 int Bprint(Biobuf*, char*, ...);
74 int Bputc(Biobuf*, int);
75 void* Brdline(Biobuf*, int);
76 long Bread(Biobuf*, void*, long);
77 off_t Bseek(Biobuf*, off_t, int);
80 int Bungetrune(Biobuf*);
81 long Bwrite(Biobuf*, void*, long);
82 char* Brdstr(Biobuf*, int, int);
83 long Bgetrune(Biobuf*);
84 int Bputrune(Biobuf*, long);
86 #if defined(__cplusplus)