The following table provides the details of standard integer types with their storage sizes and value ranges
Type | Storage Size | Value range |
---|---|---|
char | 1 byte | -128 to 127 or 0 to 255 |
unsigned char | 1 byte | 0 to 255 |
char | 1 byte | -128 to 127 or 0 to 255 |
https://www.tutorialspoint.com/cprogramming/c_data_types.htm