Variable arguments in Objective-C

objc-varargs.m

- (void) processStrings: (NSString*) str1, ...
{
    va_list args;
    va_start(args, str1);
    NSString *arg = str1;
    while (arg != nil) {
        // do something with arg
        arg = va_arg(args, NSString*);
    }
    va_end(args);
}