Convert char to int in C and C++

Question

How do I convert a char to an int in C and C++?

Answer 1

Use static_cast:

int num = static_cast(letter); // if letter='a', num=97

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Edit: You probably should try to avoid to use (int)

int num = (int) letter;

check out Why use static_cast(x) instead of (int)x? for more info.