LPC data type: int One of the simplest LPC data types, it stores whole numbers. An int is declared with the keyword "int" followed by the variable name. Example: int x; After declaration, like all data types, it has NULL value. Unlike other data types, an int with a NULL value may be used. When an int that has not be initialized is used, it is used as if its value were 0. Example assignment: x = 5;