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Annotation of researchv10dc/libI77/fio.h, revision 1.1.1.1

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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