#include<stdio.h>
#include<stdlib.h>
extern FILE *BMPf;

//************************************************** writing DATAs

void write_byte(unsigned char rbuf){
    fwrite(&rbuf,1,1,BMPf);
}

void write_word(unsigned short int rbuf){
    fwrite(&rbuf,2,1,BMPf);
}

void write_dword(unsigned long rbuf){
    fwrite(&rbuf,4,1,BMPf);
}

//************************************************** reading DATAs

unsigned char read_byte(){
    unsigned char rbuf;
    fread(&rbuf,1,1,BMPf);
    return(rbuf);
}

unsigned short int read_word(){
    unsigned char rbuf[2];
    unsigned short *t;
    fread(&rbuf,1,2,BMPf); t = (unsigned short *)rbuf;
    return(*t);
}

unsigned long read_dword(){
    unsigned char rbuf[4];
    unsigned long *t;
    fread(&rbuf,1,4,BMPf); t = (unsigned long *)rbuf;
    return(*t);
}