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Annotation of researchv10dc/libI77/fio.h, revision 1.1

1.1     ! root        1: #include "stdio.h"
        !             2: #include "errno.h"
        !             3: #ifndef NULL
        !             4: /* ANSI C */
        !             5: #include "stddef.h"
        !             6: #endif
        !             7: 
        !             8: #ifndef SEEK_SET
        !             9: #define SEEK_SET 0
        !            10: #define SEEK_CUR 1
        !            11: #define SEEK_END 2
        !            12: #endif
        !            13: 
        !            14: #ifdef MSDOS
        !            15: #ifndef NON_UNIX_STDIO
        !            16: #define NON_UNIX_STDIO
        !            17: #endif
        !            18: #endif
        !            19: 
        !            20: #ifdef UIOLEN_int
        !            21: typedef int uiolen;
        !            22: #else
        !            23: typedef long uiolen;
        !            24: #endif
        !            25: 
        !            26: /*units*/
        !            27: typedef struct
        !            28: {      FILE *ufd;      /*0=unconnected*/
        !            29:        char *ufnm;
        !            30: #ifndef MSDOS
        !            31:        long uinode;
        !            32:        int udev;
        !            33: #endif
        !            34:        int url;        /*0=sequential*/
        !            35:        flag useek;     /*true=can backspace, use dir, ...*/
        !            36:        flag ufmt;
        !            37:        flag uprnt;
        !            38:        flag ublnk;
        !            39:        flag uend;
        !            40:        flag uwrt;      /*last io was write*/
        !            41:        flag uscrtch;
        !            42: } unit;
        !            43: 
        !            44: extern flag f__init;
        !            45: extern cilist *f__elist;       /*active external io list*/
        !            46: extern flag f__reading,f__external,f__sequential,f__formatted;
        !            47: #undef Void
        !            48: #ifdef KR_headers
        !            49: #define Void /*void*/
        !            50: extern int (*f__getn)(),(*f__putn)();  /*for formatted io*/
        !            51: extern long f__inode();
        !            52: extern VOID sig_die();
        !            53: extern int (*f__donewrec)(), t_putc(), x_wSL();
        !            54: extern int c_sfe(), err_fl(), xrd_SL();
        !            55: #else
        !            56: #define Void void
        !            57: #ifdef __cplusplus
        !            58: extern "C" {
        !            59: #endif
        !            60: extern int (*f__getn)(void),(*f__putn)(int);   /*for formatted io*/
        !            61: extern long f__inode(char*,int*);
        !            62: extern void sig_die(char*,int);
        !            63: extern void f__fatal(int,char*);
        !            64: extern int t_runc(alist*);
        !            65: extern int f__nowreading(unit*), f__nowwriting(unit*);
        !            66: extern int fk_open(int,int,ftnint);
        !            67: extern int en_fio(void);
        !            68: extern void f_init(void);
        !            69: extern int (*f__donewrec)(void), t_putc(int), x_wSL(void);
        !            70: extern void b_char(char*,char*,ftnlen), g_char(char*,ftnlen,char*);
        !            71: extern int c_sfe(cilist*), z_rnew(void);
        !            72: extern int isatty(int);
        !            73: extern int err__fl(int,int,char*);
        !            74: extern int xrd_SL(void);
        !            75: #ifdef __cplusplus
        !            76:        }
        !            77: #endif
        !            78: #endif
        !            79: extern int (*f__doend)(Void);
        !            80: extern FILE *f__cf;    /*current file*/
        !            81: extern unit *f__curunit;       /*current unit*/
        !            82: extern unit f__units[];
        !            83: #define err(f,m,s) {if(f) errno= m; else f__fatal(m,s); return(m);}
        !            84: #define errfl(f,m,s) return err__fl(f,m,s)
        !            85: 
        !            86: /*Table sizes*/
        !            87: #define MXUNIT 100
        !            88: 
        !            89: extern int f__recpos;  /*position in current record*/
        !            90: extern int f__cursor;  /* offset to move to */
        !            91: extern int f__hiwater; /* so TL doesn't confuse us */
        !            92: 
        !            93: #define WRITE  1
        !            94: #define READ   2
        !            95: #define SEQ    3
        !            96: #define DIR    4
        !            97: #define FMT    5
        !            98: #define UNF    6
        !            99: #define EXT    7
        !           100: #define INT    8
        !           101: 
        !           102: #define buf_end(x) (x->_flag & _IONBF ? x->_ptr : x->_base + BUFSIZ)

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