What's the right type then? There is no bool type in C90. It appears in C99. I've seen this in the wild, including the top answer on a StackOverflow question:

What's the right type then? There is no bool type in C90. It appears in C99. I've seen this in the wild, including the top answer on a StackOverflow question: #define bool int http://stackoverflow.com/questions/4159713/how-to-use-boolean-datatype-in-c http://stackoverflow.com/questions/4159713/how-to-use-boolea... Besides, if you want correct code, don't ask a tool to guess it! This tool is for patching up fragments enough to get them through the compiler front end analysis.