18 /* Only use fseeko/ftello if they are both there. */
20 #if defined (HAVE_FSEEKO) && defined (HAVE_FTELLO)
28 #if defined (MSDOS) && !defined (GO32)
29 #ifndef NON_UNIX_STDIO
30 #define NON_UNIX_STDIO
42 { FILE *ufd
; /*0=unconnected*/
44 #if !(defined (MSDOS) && !defined (GO32))
48 int url
; /*0=sequential*/
49 flag useek
; /*true=can backspace, use dir, ...*/
51 flag urw
; /* (1 for can read) | (2 for can write) */
54 flag uwrt
; /*last io was write*/
59 extern cilist
*f__elist
; /*active external io list*/
60 extern flag f__reading
,f__external
,f__sequential
,f__formatted
;
63 extern int (*f__getn
)(void); /* for formatted input */
64 extern void (*f__putn
)(int); /* for formatted output */
65 extern void x_putc(int);
66 extern long f__inode(char*,int*);
67 extern void sig_die(char*,int);
68 extern void f__fatal(int,char*);
69 extern int t_runc(alist
*);
70 extern int f__nowreading(unit
*), f__nowwriting(unit
*);
71 extern int fk_open(int,int,ftnint
);
72 extern int en_fio(void);
73 extern void f_init(void);
74 extern int (*f__donewrec
)(void), t_putc(int), x_wSL(void);
75 extern void b_char(char*,char*,ftnlen
), g_char(char*,ftnlen
,char*);
76 extern int c_sfe(cilist
*), z_rnew(void);
77 extern int isatty(int);
78 extern int err__fl(int,int,char*);
79 extern int xrd_SL(void);
80 extern int f__putbuf(int);
81 extern int (*f__doend
)(Void
);
82 extern FILE *f__cf
; /*current file*/
83 extern unit
*f__curunit
; /*current unit*/
84 extern unit f__units
[];
85 #define err(f,m,s) do {if(f) {f__init &= ~2; errno= m;} else f__fatal(m,s); return(m);} while(0)
86 #define errfl(f,m,s) do {return err__fl((int)f,m,s);} while(0)
91 extern int f__recpos
; /*position in current record*/
92 extern int f__cursor
; /* offset to move to */
93 extern int f__hiwater
; /* so TL doesn't confuse us */
104 #define buf_end(x) (x->_flag & _IONBF ? x->_ptr : x->_base + BUFSIZ)