The volatile modifier tells the compiler that a variable may have its contents altered in ways not explicitly defined by the program. For example, variables that are changed by hardware such as real-time clocks, interrupts, or other inputs should be declared as volatile.

C(s)C++ Programmer's Reference
C Programming on the IBM PC (C Programmers Reference Guide Series)
ISBN: 0673462897
EAN: 2147483647
Year: 2002
Pages: 539

flylib.com © 2008-2017.
If you may any questions please contact us: flylib@qtcs.net