Answer Posted / vadivelt

#include<stdio.h>
char *IntToBinString(int no);
main()
{
int no;
printf("ENTER THE NO: ");
scanf("%d",&no);
printf("\nBINARY O/P STRING:\n%s",IntToBinString(no));
getch();
}
char *IntToBinString(int no)
{
char *ptr;
int i, size;
size = sizeof(int)*8;
ptr = (char *)malloc(sizeof(int)*8);
for(i = size - 1; i >= 0; i--)
{
if(no >> i & 0x01)
{
*ptr++ = 49;
}
else
{
*ptr++ = 48;
}
}
*ptr = '\0';
return (ptr - size);
}

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