xref: /original-bsd/usr.bin/f77/libI77/fio.h (revision 7e7b101a)
1 /*
2 char id_fio[] = "@(#)fio.h	1.2";
3  *
4  * f77 file i/o common definitions
5  */
6 
7 #include "fiodefs.h"
8 
9 #define err(f,n,s)	{if(f) return(errno=n); else fatal(n,s);}
10 #define not_legal(u)	(u>=MXUNIT || u<0)
11 #define GET(x)		if((x=(*getn)())<0) return(x)
12 #define VAL(x)		(x!='\n'?x:' ')
13 #define PUT(x)		{if(n=(*putn)(x)) return(n);}
14 #define lcase(s)	((s >= 'A') && (s <= 'Z') ? s+('a'-'A') : s)
15 
16 #define MAXINTLENGTH	32	/* to accomodate binary format */
17 
18 long ftell();
19 
20 extern int errno;
21 extern ioflag init;
22 extern icilist *svic;	/* active internal io list */
23 extern flag reading,external,sequential,formatted;
24 extern int (*getn)(),(*putn)(),(*ungetn)();	/*for formatted io*/
25 extern FILE *cf;	/*current file structure*/
26 extern unit *curunit;	/*current unit structure */
27 extern int lunit;	/*current logical unit*/
28 extern char *lfname;	/*current filename*/
29 extern unit units[];	/*logical units table*/
30 extern int recpos;		/*position in current record*/
31 extern ftnint recnum;		/*current record number*/
32 extern int reclen;		/* current record length */
33 extern int (*doed)(), (*doned)();
34 extern int (*dorevert)(), (*donewrec)(), (*doend)(), (*dotab)();
35 extern ioflag cblank, cplus, tab, elist, signit, errflag, endflag;
36 extern char *fmtbuf, *icptr, *icend, *fmtptr;
37 extern int scale;
38 extern int cursor;
39 extern int radix;
40 extern struct ioiflg	ioiflg_;
41