Question

C convert string to binary

hi I want to convert a string into binary and return it or print it. how do I do that

Answer 1

#include<stdio.h>
#include<string.h>

double dec2bin(char str[100]){
   //Converting string to int
   int n = atoi(str);
   double result = 0, base = 1;
   while(n!=0){
      result = result + (n%2) * base;
        base = base * 10;
      n = n / 2;
   }
   return result; 
}

void main(){
   char str[100];
   printf("Enter a decimal (base 10) number as string: ");
   scanf("%s",&str);
   printf("The decimal number %s in binary (base 2) is %.0f\n", str, dec2bin(str));
   
}