What is the purpose of Signed Char

Question

what is the purpose of signed char if both char and signed char ranges from -127 - 127? what is the place where we use signed char instead of just char?

Answer 1

• unsigned char is unsigned.

• signed char is signed.

• char may be unsigned or signed depending on your platform.

Use signed char when you definitely want signedness.

Possibly related: What does it mean for a char to be signed?