Numeric Constants

Specifying an integer number creates an int.

Integers can be specified in octal by prefixing the octal value with a 0.

Integers can be specified in hexadecimal by prefixing the hexadecimal value with 0x.

Appending an upper or lower case L creates a long int

Appending an upper or lower case U creates an unsigned int

Appending UL (upper or lower case) creates an unsigned long int

Specifying a number with a decimal creates a double

Specifying a number in scientific notation creates a double

Appending an F (upper or lower case) creates a float

Character codes can be specified by enclosing the character in single quotes