Statements
switch
Switch is also a special multi-way decision maker.
The syntax is
switch (expr) {
case const1: stmt sequence;
break;
...
[default:stmt]
}
This tests whether the expression matches one of the constant values and branches
accordingly.
If none of the cases are satisfied the default case is executed. The break causes an immediate
exit, otherwise control falls through to the next case.
Example:
switch (cmd) {
case 0:printf("cmd 0");
break;
case 1:printf("cmd 1");
break;
default:printf("bad cmd");
break; }
Also See: Statements
return
return
A return statement allows an immediate exit from a switch or a loop or function and also
returns a value.
The syntax is:
return (expr);
Example:
return (5);
Also See: Statements
goto
goto
The goto statement cause an unconditional branch to the label.
The syntax is:
goto label;
15
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