Topic : C-Language Documentation Author : John Kormylo Version : C.HYP 1.0 Subject : Documentation/C-Language Nodes : 233 Index Size : 6362 HCP-Version : 3 Compiled on : Atari @charset : atarist @lang : en @default : @help : Help @options : +g -i -s +x +z -t4 @width : 75 View Ref-File[ Type Qualifiers: volatile ] Informs the compiler that the defined variable may change value at any time (due to real time interrupts). This prevents the variable from being kept on a register by an optimizing compiler. See also Variables.