/***************************************************************
 *                                                             *
 * File: CEXT.H                                                *
 *                                                             *
 * Description:                                                *
 *                                                             *
 * Header file for CEXT library. CEXT manages allocation and   *
 * access of extended memory.                                  *
 *                                                             *
 ***************************************************************/


#ifndef CEXTHEADER
#define CEXTHEADER
#include <dos.h>


typedef unsigned long LPTR;


/* convert segmented address to linear address */
#define seg_to_linear(fp)(((LPTR) FP_SEG(fp)<<4)+FP_OFF(fp))


unsigned int ext_size(void);
LPTR ext_alloc(unsigned size);
LPTR ext_realloc(unsigned size);
int ext_free(int exitflag);
int extmemcpy(LPTR dst,LPTR src,unsigned int wc);
#endif