Cocoa in a Nutshell

Name

NSObjCValue

Synopsis

typedef struct {
    enum _NSObjCValueType type;
    union {
        char charValue;
        short shortValue;
        long longValue;
        long long longlongValue;
        float floatValue;
        double doubleValue;
        bool boolValue;
        SEL selectorValue;
        id objectValue;
        void *pointerValue;
        void *structLocation;
        char *cStringLocation;
    } value;
} NSObjCValue;