C++ Interview questions??

# How do you decide which integer type to use?

# What should the 64-bit integer type on new, 64-bit machines be?

# What’s the best way to declare and define global variables?

# What does extern mean in a function declaration?

# What’s the auto keyword good for?

# I can’t seem to define a linked list node which contains a pointer to itself.

# How do I declare an array of N pointers to functions returning pointers to functions returning pointers to characters?

# How can I declare a function that returns a pointer to a function of its own type?

# My compiler is complaining about an invalid redeclaration of a function, but I only define it once and call it once. What’s happening?

# What can I safely assume about the initial values of variables which are not explicitly initialized?

# Why can’t I initialize a local array with a string?

# What is the difference between char a[] = “string”; and char *p = “string”; ?

# How do I initialize a pointer to a function?