CO Assignment 1 Question 1, C (gcc)

CO Assignment 1 Question 1

#include <stdio.h>
void change(char *data,int k){
    int i,j,a[1000];

for(i=k-1;i>=0;i--){
	//printf("%u\n",data[i]);
	int m=(int)data[i];
	char byte[8];
    byte[7]=(char)((m&1)+48);
	m=m>>1;
	byte[6]=(char)((m&1)+48);
	m=m>>1;
	byte[5]=(char)((m&1)+48);
	m=m>>1;
	byte[4]=(char)((m&1)+48);
	m=m>>1;
	byte[3]=(char)((m&1)+48);
	m=m>>1;
	byte[2]=(char)((m&1)+48);
	m=m>>1;
	byte[1]=(char)((m&1)+48);
	m=m>>1;
	byte[0]=(char)((m&1)+48);
	printf("%c%c%c%c%c%c%c%c ",byte[0],byte[1],byte[2],byte[3],byte[4],byte[5],byte[6],byte[7]);
	/*printf("%d",m&1);
	m=m>>1;
	printf("%d",m&1);
	m=m>>1;
	printf("%d",m&1);
	m=  m>>1;
	printf("%d",m&1);*/
	//printf("%s\n",byte);
	}
}
int main(int argc, char const *argv[])
{
	/* code */
	int p=78738;
	int k=sizeof(p);
	char *data=&p;
	printf("Integer =%d\nBinary representation\n",p);
    change(data,k);
    printf("\n");

char c='a';
    k=sizeof(c);
    char *dat=&c;
    printf("Char =%c\nBinary representation\n",c);
	change(dat,k);
	printf("\n");

float f=4.5;
    k=sizeof(f);
    char *fdata=&f;
    printf("Float =%f\nBinary representation\n",f);
	change(fdata,k);
	printf("\n");

double du=4.57465;
    k=sizeof(du);
    char *ddata=&du;
    printf("Double =%lf\nBinary representation\n",du);
	change(ddata,k);
	printf("\n");
	return 0;
}


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