/*                     Listing 2 -- File HEXIO.H                        */
/*        Header File for Intel Hex / S-Record File I/O Routines        */

#include <stdio.h>

#define HEOF            (-1)    /*  This is our value for EOF.          */

#define HEXRECSIZE      32      /*  Max. number of data bytes per       */
                                /*      record on writes.               */

typedef struct {                /*  This is the control block that      */
        FILE *file;             /*  actually runs hex file I/O.         */
        unsigned char *bufp;
        unsigned loadaddr;
        unsigned char flags;
        unsigned char count;
        unsigned char buf[256];
} HFILE;

/*  Function declarations:                                              */

int hclose(HFILE *);
int heof(HFILE *);
int herror(HFILE *);
int hgetc(HFILE *);
int hputc(unsigned char,HFILE *);
unsigned htell(HFILE *);
void hseek(HFILE *,unsigned);
HFILE *hopen(char *,char *);