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Languguage OS II Version 10-94 (Knowledge Media)(1994).ISO
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symcoff.arc
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PLDFCN.H
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1988-11-02
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/* Copyright 1985 by Motorola Inc. */
/* @(#)pldfcn.h 2.1 */
/*
* The following two declarations appear in the IH versions of
* "stdio.h" but do not appear in the normal 1.2 versions.
*/
long ftell();
char *fgets();
#ifndef LDFILE
struct ldfile {
int _fnum_; /* so each instance of an LDFILE is unique */
FILE *ioptr; /* system I/O pointer value */
long offset; /* absolute offset to the start of the file */
FILHDR header; /* the file header of the opened file */
unsigned short type; /* indicator of the type of the file */
};
/*
provide a structure "type" definition, and the associated
"attributes"
*/
#define LDFILE struct ldfile
#define IOPTR(x) x->ioptr
#define OFFSET(x) x->offset
#define TYPE(x) x->type
#define HEADER(x) x->header
#define LDFSZ sizeof(LDFILE)
/*
define various values of TYPE(ldptr)
*/
#define LDTYPE B16MAGIC /* defined in terms of the filehdr.h include file */
#define ARTYPE 0177545
/*
define symbolic positioning information for FSEEK (and fseek)
*/
#define BEGINNING 0
#define CURRENT 1
#define END 2
/*
define a structure "type" for an archive header
*/
typedef struct { char ar_name[14];
long ar_date;
short ar_uid;
short ar_gid;
long ar_mode;
long ar_size; } archdr;
#define ARCHDR archdr
#define ARCHSZ sizeof(ARCHDR)
/*
define some useful symbolic constants
*/
#define SYMTBL 0 /* section nnumber and/or section name of the Symbol Table */
#define SUCCESS 1
#define CLOSED 1
#define FAILURE 0
#define NOCLOSE 0
#define BADINDEX -1L
#define OKFSEEK 0
/*
define macros to permit the direct use of LDFILE pointers with the
standard I/O library procedures
*/
extern long pldtbndex();
extern char *pldgetnam();
extern int pldahread(), pldaclose(), pldclose(), pldfhread(),pldlseek();
extern int pldnlseek(), pldnrseek(), pldnshread(), pldnsseek(), pldohseek();
extern int pldrseek(), pldshread(), pldsseek(), pldtbread(), pldtbseek();
extern LDFILE *pldallocptr(), *pldaopen(), *pldopen();
#define GETC(ldptr) getc(IOPTR(ldptr))
#define GETW(ldptr) getw(IOPTR(ldptr))
#define FEOF(ldptr) feof(IOPTR(ldptr))
#define FERROR(ldptr) ferror(IOPTR(ldptr))
#define FGETC(ldptr) fgetc(IOPTR(ldptr))
#define FGETS(s,n,ldptr) fgets(s,n,IOPTR(ldptr))
#define FILENO(ldptr) fileno(IOPTR(ldptr))
#define FREAD(p,s,n,ldptr) fread(p,s,n,IOPTR(ldptr))
#define FSEEK(ldptr,o,p) fseek(IOPTR(ldptr),(p==BEGINNING)?(OFFSET(ldptr)+o):o,p)
#define FTELL(ldptr) ftell(IOPTR(ldptr))
#define FWRITE(p,s,n,ldptr) fwrite(p,s,n,IOPTR(ldptr))
#define REWIND(ldptr) rewind(IOPTR(ldptr))
#define SETBUF(ldptr,b) setbuf(IOPTR(ldptr),b)
#define UNGETC(c,ldptr) ungetc(c,IOPTR(ldptr))
#define STROFFSET(ldptr) (HEADER(ldptr).f_symptr + HEADER(ldptr).f_nsyms * 18) /* 18 == SYMESZ */
#endif
/* Copyright 1985 by Motorola Inc. */