Source to mint/basepage.h


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/*
 *	BASEPAGE.H	Definition of the basepage structure.
 */

#ifndef _BASEP_H
#define	_BASEP_H

typedef struct basep {
	long		p_lowtpa;	/* pointer to self (bottom of TPA) */
	long		p_hitpa;	/* pointer to top of TPA + 1 */
	long		p_tbase;	/* base of text segment */
	long		p_tlen;		/* length of text segment */
	long		p_dbase;	/* base of data segment */
	long		p_dlen;		/* length of data segment */
	long		p_bbase;	/* base of BSS segment */
	long		p_blen;		/* length of BSS segment */
	char		*p_dta;		/* pointer to current DTA */
	struct basep	*p_parent;	/* pointer to parent's basepage */
	long		p_flags;	/* memory usage flags */
	char		*p_env;		/* pointer to environment string */
/* Anything after this (except for p_cmdlin) is undocumented, reserved,
 * subject to change, etc. -- user programs must NOT use!
 */
	char		p_devx[6];	/* real handles of the standard devices */
	char		p_res2;		/* reserved */
	char		p_defdrv;	/* default drv */
	long		p_undef[17];    /* reserved space */
	long		p_usp;		/* a fake USP to make dLibs programs happy */
	char		p_cmdlin[128];	/* command line image */
}	BASEPAGE;

#if defined(__TURBOC__) && !defined(__MINT__)
# include <basepage.h>
# define _base (BASEPAGE *)(_BasPag)
#else
/* pointer to our basepage, set by compiler startup code */
extern	BASEPAGE	*_base;
#endif

#endif /* _BASEP_H */