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Quick Q about Pointers

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1- points at either a unsigned char or a signed char, but usually refers to a null-terminated string, which is an array of characters capped by a 0 (null) at the end

2- a pointer to an unsigned character (0-255)

3- a pointer to a signed character (-128 to 127)

Pointers on 32bit systems are 4 bytes usually, so they all look the same, but what they point to is different.

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