return
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Category
Syntax
return [ <expression> ] ;
Description
Use the return statement to exit from the current function back to the calling routine, optionally returning a value.
Example
This example illustrates the use of keywords break, case, default, return, and switch.
#include <iostream> using namespace std; int main(int argc, char* argv[]) int main(int argc, char* argv[]) { char ch; cout << "PRESS a, b, OR c. ANY OTHER CHOICE WILL TERMINATE THIS PROGRAM." << endl; for ( /* FOREVER */; cin >> ch; ) switch (ch) { case 'a' : /* THE CHOICE OF a HAS ITS OWN ACTION. */ cout << endl << "Option a was selected." << endl; break; case 'b' : /* BOTH b AND c GET THE SAME RESULTS. */ case 'c' : cout << endl << "Option b or c was selected." << endl; break; default : cout << endl << "NOT A VALID CHOICE! Bye ..." << endl; return(-1); } }