question2.txt

//part a
 #include <stdio.h>
    float do_it(char x,char y,char z);
    int main(){
          	
         return 0;     	
	   }
                   
	

/* part b*/
#include <stdio.h>
void print_a_number(int a);
int main (){

return 0;	
}


/* part c*/ 
#include <stdio.h>
                    void print_msg( void ); 
                    main(){
                        print_msg("This is a message to print");// the function here is not known 
                          
                        return 0;
                    }
                    void print_msq( void ) 
                    {
                        puts("This is a message to print");
                        return 0; //a void function returns nothing
                    }