Declarations and Initializations

# 1. Declarations and Initializations

1.1 How do you decide which integer type to use?

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

1.7 What's the best way to declare and define global variables?

1.11 What does `extern` mean in a function declaration?

1.12 What's the `auto` keyword good for?

1.14 I can't seem to define a linked list node which contains a pointer to itself.

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

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

1.25 My compiler is complaining about an invalid redeclaration of a function, but I only define it once and call it once.

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

1.31 Why can't I initialize a local array with a string?

1.32 What is the difference between `char a[] = "string";` and `char *p = "string";` ?

1.34 How do I initialize a pointer to a function?

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