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Annotation of researchv10no/libc/fio/oldfio.h, revision 1.1

1.1     ! root        1: #define        FIOBSIZE        4096
        !             2: 
        !             3: typedef struct Fbuffer
        !             4: {
        !             5:        unsigned char *next;            /* next char to be used */
        !             6:        unsigned char *end;             /* first invalid char */
        !             7:        unsigned char *lnext;           /* previous value of next */
        !             8:        unsigned short flags;           /* see FIO_.* below */
        !             9:        short oflush;                   /* if >= 0 fd to flush on read */
        !            10:        long offset;                    /* seek of end */
        !            11:        unsigned char buf[FIOBSIZE];
        !            12: } Fbuffer;
        !            13: extern Fbuffer *Ffb[];
        !            14: 
        !            15: #define        FIORESET(f)     ((f)->next=(f)->lnext=(f)->end=(f)->buf, (f)->flags&= ~FIO_MALLOCED, (f)->oflush= -1)
        !            16: #define        FIOSET(f, fd)   if((f=Ffb[fd&=0x7f]) == 0){Finit(fd,(char *)0);f=Ffb[fd];}
        !            17: /* FIOLINELEN is length of last input */
        !            18: #define        FIOLINELEN(fd)  (((int)(Ffb[fd]->next - Ffb[fd]->lnext))-1)
        !            19: /* FIOSEEK is lseek of next char to be processed */
        !            20: #define        FIOSEEK(fd)     (Ffb[fd]->offset - (Ffb[fd]->end - Ffb[fd]->next))
        !            21: #define        FIOFLUSH(fd)    if((fd >= 0) && Ffb[fd]) Fflush(fd)
        !            22: 
        !            23: #define        FIO_RDLAST      0x0001          /* true if last input was rdline */
        !            24: #define        FIO_WRITING     0x0002          /* true if last action was write */
        !            25: #define        FIO_MALLOCED    0x0004          /* set if Finit did the malloc */
        !            26: 
        !            27: extern void Finit();
        !            28: extern char *Frdline();
        !            29: extern void Fundo();
        !            30: extern int Fgetc();
        !            31: extern long Fread();
        !            32: extern long Fwrite();
        !            33: extern long Fseek();
        !            34: extern int Fflush();
        !            35: 
        !            36: #ifdef FIO_IMP
        !            37: /* COUNT is the type of counts to things like read, write, memcpy etc */
        !            38: #ifdef GNOT
        !            39: #define        COUNT   long
        !            40: #define        FIOMALLOC(n)    malloc(n)
        !            41: #define        SEEK(a,b,c)     seek(a,b,c)
        !            42: #else
        !            43: #define        COUNT   int
        !            44: #define        FIOMALLOC(n)    malloc(n)
        !            45: #define        SEEK(a,b,c)     lseek(a,b,c)
        !            46: #endif
        !            47: extern COUNT read(), write();
        !            48: #endif

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