#import // This should be a big enough struct that it will force // the struct return convention: typedef struct BigStruct { float a, b, c, d, e, f, g, h, i, j, k, l; } BigStruct; @interface Simple : NSObject { int _value; } - (int) value; - (void) setValue: (int) newValue; - (BigStruct) getBigStruct; @end @implementation Simple - (int) value { return _value; } - (void) setValue: (int) newValue { _value = newValue; } - (BigStruct) getBigStruct { BigStruct big_struct = {1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 11.0, 12.0}; return big_struct; } @end int main () { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; Simple *my_simple = [[Simple alloc] init]; my_simple.value = 20; // Set a breakpoint here. NSLog (@"Object has value: %d.", my_simple.value); [pool drain]; return 0; }