Every other word

[S G H]

Well, there is a mistake:

if(i > length) break;

It can give you some problems: This is the correct way:

if(i >= length) break;

You can also use, in that while,

while (str[i] != ' ' && i < length) // ... 

[LB]

ask user to input a sentence
create a boolean variable for tracking the spaces
for each character in the string
----if the character is a space
--------toggle the boolean variable
----otherwise, if the boolean variable is true
--------set the character to a star
print resulting string