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
105
106
107
|
#include "stdio.h"
#include "errno.h"
#ifndef NULL
/* ANSI C */
#include "stddef.h"
#endif
#ifndef SEEK_SET
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#endif
#ifdef MSDOS
#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;
#ifndef MSDOS
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 flag f__init;
extern cilist *f__elist; /*active external io list*/
extern flag f__reading,f__external,f__sequential,f__formatted;
#undef Void
#ifdef KR_headers
#define Void /*void*/
extern int (*f__getn)(); /* for formatted input */
extern void (*f__putn)(); /* for formatted output */
extern void x_putc();
extern long f__inode();
extern VOID sig_die();
extern int (*f__donewrec)(), t_putc(), x_wSL();
extern int c_sfe(), err__fl(), xrd_SL(), f__putbuf();
#else
#define Void void
#ifdef __cplusplus
extern "C" {
#endif
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);
#ifdef __cplusplus
}
#endif
#endif
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) {if(f) errno= m; else f__fatal(m,s); return(m);}
#define errfl(f,m,s) return err__fl((int)f,m,s)
/*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)
|
