17 #if defined (MSDOS) && !defined (GO32)
18 #ifndef NON_UNIX_STDIO
19 #define NON_UNIX_STDIO
31 { FILE *ufd; /*0=unconnected*/
33 #if !(defined (MSDOS) && !defined (GO32))
37 int url; /*0=sequential*/
38 flag useek; /*true=can backspace, use dir, ...*/
40 flag urw; /* (1 for can read) | (2 for can write) */
43 flag uwrt; /*last io was write*/
48 extern cilist *f__elist; /*active external io list*/
49 extern flag f__reading,f__external,f__sequential,f__formatted;
53 extern int (*f__getn)(); /* for formatted input */
54 extern void (*f__putn)(); /* for formatted output */
56 extern long f__inode();
57 extern VOID sig_die();
58 extern int (*f__donewrec)(), t_putc(), x_wSL();
59 extern int c_sfe(), err__fl(), xrd_SL(), f__putbuf();
65 extern int (*f__getn)(void); /* for formatted input */
66 extern void (*f__putn)(int); /* for formatted output */
67 extern void x_putc(int);
68 extern long f__inode(char*,int*);
69 extern void sig_die(char*,int);
70 extern void f__fatal(int,char*);
71 extern int t_runc(alist*);
72 extern int f__nowreading(unit*), f__nowwriting(unit*);
73 extern int fk_open(int,int,ftnint);
74 extern int en_fio(void);
75 extern void f_init(void);
76 extern int (*f__donewrec)(void), t_putc(int), x_wSL(void);
77 extern void b_char(char*,char*,ftnlen), g_char(char*,ftnlen,char*);
78 extern int c_sfe(cilist*), z_rnew(void);
79 extern int isatty(int);
80 extern int err__fl(int,int,char*);
81 extern int xrd_SL(void);
82 extern int f__putbuf(int);
87 extern int (*f__doend)(Void);
88 extern FILE *f__cf; /*current file*/
89 extern unit *f__curunit; /*current unit*/
90 extern unit f__units[];
91 #define err(f,m,s) do {if(f) {f__init &= ~2; errno= m;} else f__fatal(m,s); return(m);} while(0)
92 #define errfl(f,m,s) do {return err__fl((int)f,m,s);} while(0)
97 extern int f__recpos; /*position in current record*/
98 extern int f__cursor; /* offset to move to */
99 extern int f__hiwater; /* so TL doesn't confuse us */
110 #define buf_end(x) (x->_flag & _IONBF ? x->_ptr : x->_base + BUFSIZ)