Pointer

Pointer is a 4-byte, 32-bit word variable capable of holding the address of any variable except unaligned bit variables. Pointers are normally used to locate the storage of dynamically allocated BASED variables rather than as a mechanism for accessing another variable's storage. A pointer is used with a template to access the storage to which it points. A pointer value cannot be represented by a constant. Pointer values can be assigned, compared for equality or inequality, passed as arguments, and returned from functions. No calculations or conversions can be performed on them, and they cannot be transmitted in stream I/O.