Thomas C. Wilson ... Of course, if no declaration is found by the time the main program is reached, the identifier is undefined at that point and cannot be used. ... have already had the experience of calling predeclared functions such as function call abs, round, trunc, and sqrt. A function call, or reference, entails mentioning the function name, usually followed by one or more actual parameters enclosed inanbsp;...
|Title||:||Pascal from Begin to End|
|Author||:||Thomas C. Wilson|
|Publisher||:||Addison-Wesley - 1987-01-01|