#include<stdio.h>
#include<conio.h>

int main()
{

    int i,j,length;
	char a[] = "god is love";

	length = strlen(a);
	
	printf("The Given String is\n%s\n",a);
	printf("The Resulted String is\n");

	for(i=length-1;i>=0;i--)
	{
		if(a[i] == ' ')
		{
			for(j=i+1; a[j] != ' ' && a[j] != '\0';j++)
			{
				printf("%c",a[j]);
			}
			printf("%c",a[i]);
		}
	}
	i++;
	while(a[i] !=' ')
	{
		printf("%c",a[i]);
		i++;
	}
	printf("\n");

}

#include <stdio.h>

void reverse_string ( char* cp_string, int start, int end )
{
	if ( cp_string && ( start < end ) ) {
		*( cp_string + start ) ^= *( cp_string + 
end  ) 
			^=  *( cp_string + start ) ^= *( 
cp_string + end );
		reverse_string ( cp_string, ++start, --
end ); 
	}
}


int main ( int argc, char* argv [] )
{
	char ca_array [12]={"Hello World"};
	char* cp_ptr = NULL;
	char* cp_ptr_temp = NULL;
	
	printf ( "\n Before Reverse :%s", ca_array );

	reverse_string ( ca_array, 0, strlen ( ca_array ) -
1 );

	cp_ptr_temp = cp_ptr = ca_array;
	while ( NULL != ( cp_ptr_temp = (char*) strchr ( 
cp_ptr_temp, ' ' ) ) ) {
		reverse_string ( cp_ptr, 0, ( cp_ptr_temp - 
cp_ptr ) - 1 );
		cp_ptr = ++cp_ptr_temp;
	}
	// change the final word
	reverse_string ( cp_ptr, 0, ( ( strlen ( 
ca_array ) - 1 ) - ( cp_ptr - ca_array ) ) );

	printf ( "\n After Reverse by Words :%s", 
ca_array );
	return ( 0 );
}