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# signed

Used in variable declarations as a Type-Specifier to indicate that the variable may be marked with a negative sign, not limiting the minimum value to 0. It applies to char, int, and long data types. This is the default type-specifier.

The following table illustrates the difference between signed and unsigned variables.

Type | Size | Unsigned | Signed (normal)
--- | --- | --- | ---
char | 8 bits | 0 to 255 | -128 to 127
int | 16 bits | 0 to 65,535 | -32,768 to 32,767
long | 32 bits | 0 to 4,294,967,295 | -2,147,483,648 to 2,147,483,647
long long | 64 bits | 0 to 18,446,744,073,709,551,615 | –9,223,372,036,854,775,808 to 9,223,372,036,854,775,807

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