14 #if defined (MSDOS) && !defined (GO32)
15 #ifndef NON_UNIX_STDIO
16 #define NON_UNIX_STDIO
28 { FILE *ufd; /*0=unconnected*/
30 #if !(defined (MSDOS) && !defined (GO32))
34 int url; /*0=sequential*/
35 flag useek; /*true=can backspace, use dir, ...*/
40 flag uwrt; /*last io was write*/
45 extern cilist *f__elist; /*active external io list*/
46 extern flag f__reading,f__external,f__sequential,f__formatted;
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();
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);
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) do {if(f) {f__init &= ~2; errno= m;} else f__fatal(m,s); return(m);} while(0)
84 #define errfl(f,m,s) do {return err__fl((int)f,m,s);} while(0)
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 */
102 #define buf_end(x) (x->_flag & _IONBF ? x->_ptr : x->_base + BUFSIZ)