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Annotation of researchv9/include/fio.h, revision 1.1

1.1     ! root        1: /*
        !             2: #ifdef mc68020
        !             3: #define        GNOT
        !             4: #endif
        !             5: */
        !             6: 
        !             7: #define        FIOBSIZE        4096
        !             8: 
        !             9: typedef struct Fbuffer
        !            10: {
        !            11:        unsigned char *next;            /* next char to be used */
        !            12:        unsigned char *end;             /* first invalid char */
        !            13:        unsigned char *lnext;           /* previous value of next */
        !            14:        char rdlast;                    /* true if last input was rdline */
        !            15:        long offset;                    /* seek of next char to be read */
        !            16:        unsigned char buf[FIOBSIZE];
        !            17: } Fbuffer;
        !            18: extern Fbuffer *Ffb[];
        !            19: 
        !            20: #define        FIORESET(f)     ((f)->next=(f)->lnext=(f)->end=(f)->buf, (f)->rdlast=0)
        !            21: #define        FIOSET(f, fd)   if((f=Ffb[fd&=0x7f]) == 0){Finit(fd,(char *)0);f=Ffb[fd];}
        !            22: /* FIOLINELEN is length of last input */
        !            23: #define        FIOLINELEN(fd)  (((int)(Ffb[fd]->next - Ffb[fd]->lnext))-1)
        !            24: /* FIOSEEK is lseek of next char to be processed */
        !            25: #define        FIOSEEK(fd)     (Ffb[fd]->offset - (Ffb[fd]->end - Ffb[fd]->next))
        !            26: 
        !            27: extern void Finit();
        !            28: extern char *Frdline();
        !            29: extern void Fundo();
        !            30: extern int Fgetc();
        !            31: extern long Fread();
        !            32: extern long Fseek();
        !            33: 
        !            34: /* COUNT is the type of counts to things like read, write, memcpy etc */
        !            35: /*
        !            36: #ifdef GNOT
        !            37: #define        COUNT   long
        !            38: #define        FIOMALLOC(n)    sbrk(n)
        !            39: #define        SEEK(a,b,c)     seek(a,b,c)
        !            40: #else
        !            41: */
        !            42: #define        COUNT   int
        !            43: #define        FIOMALLOC(n)    malloc(n)
        !            44: #define        SEEK(a,b,c)     lseek(a,b,c)
        !            45: /*#endif*/
        !            46: extern COUNT read(), write();

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