1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
#include <sys/types.h>
#include <stdio.h>
#include <errno.h>
#ifndef NULL
/* ANSI C */
#include <stddef.h>
#endif
#ifdef STDC_HEADERS
#include <string.h>
#endif
#ifndef SEEK_SET
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#endif
/* Only use fseeko/ftello if they are both there. */
#if defined (HAVE_FSEEKO) && defined (HAVE_FTELLO)
#define FSEEK fseeko
#define FTELL ftello
#else
#define FSEEK fseek
#define FTELL ftell
#endif
#if defined (MSDOS) && !defined (GO32)
#ifndef NON_UNIX_STDIO
#define NON_UNIX_STDIO
#endif
#endif
#ifdef UIOLEN_int
typedef int uiolen;
#else
typedef long uiolen;
#endif
/*units*/
typedef struct
{
FILE *ufd; /*0=unconnected */
char *ufnm;
#if !(defined (MSDOS) && !defined (GO32))
long uinode;
int udev;
#endif
int url; /*0=sequential */
flag useek; /*true=can backspace, use dir, ... */
flag ufmt;
flag urw; /* (1 for can read) | (2 for can write) */
flag ublnk;
flag uend;
flag uwrt; /*last io was write */
flag uscrtch;
}
unit;
extern int f__init;
extern cilist *f__elist; /*active external io list */
extern flag f__reading, f__external, f__sequential, f__formatted;
extern int (*f__getn) (void); /* for formatted input */
extern void (*f__putn) (int); /* for formatted output */
extern void x_putc (int);
extern long f__inode (char *, int *);
extern void sig_die (char *, int);
extern void f__fatal (int, char *);
extern int t_runc (alist *);
extern int f__nowreading (unit *), f__nowwriting (unit *);
extern int fk_open (int, int, ftnint);
extern int en_fio (void);
extern void f_init (void);
extern int (*f__donewrec) (void), t_putc (int), x_wSL (void);
extern void b_char (char *, char *, ftnlen), g_char (char *, ftnlen, char *);
extern int c_sfe (cilist *), z_rnew (void);
extern int isatty (int);
extern int err__fl (int, int, char *);
extern int xrd_SL (void);
extern int f__putbuf (int);
extern int (*f__doend) (void);
extern FILE *f__cf; /*current file */
extern unit *f__curunit; /*current unit */
extern unit f__units[];
#define err(f,m,s) do {if(f) {f__init &= ~2; errno= m;} else f__fatal(m,s); return(m);} while(0)
#define errfl(f,m,s) do {return err__fl((int)f,m,s);} while(0)
/*Table sizes*/
#define MXUNIT 100
extern int f__recpos; /*position in current record */
extern int f__cursor; /* offset to move to */
extern int f__hiwater; /* so TL doesn't confuse us */
#define WRITE 1
#define READ 2
#define SEQ 3
#define DIR 4
#define FMT 5
#define UNF 6
#define EXT 7
#define INT 8
#define buf_end(x) (x->_flag & _IONBF ? x->_ptr : x->_base + BUFSIZ)
|
