• Accessing Selectors

• Sending Messages

• Forwarding Messages

• Adding Classes

• Accessing Methods

• Accessing Instance Variable Definitions

• Accessing the Class Version

• Posing As Another Class

• Obtaining Class Definitions

• Instantiating Classes

• Accessing Instance Variables

• class_addMethods

• class_createInstance

• class_createInstanceFromZone

• class_getClassMethod

• class_getInstanceMethod

• class_getInstanceVariable

• class_getVersion

• class_nextMethodList

• class_poseAs

• class_removeMethods

• class_setVersion

• marg_free

• marg_getRef

• marg_getValue

• marg_malloc

• marg_setValue

• method_getArgumentInfo

• method_getNumberOfArguments

• method_getSizeOfArguments

• objc_addClass

• objc_getClass

• objc_getClassList

• objc_getMetaClass

• objc_lookUpClass

• objc_msgSend

• objc_msgSendSuper

• objc_msgSendSuper_stret

• objc_msgSendv

• objc_msgSendv_fpret

• objc_msgSendv_stret

• objc_msgSend_fpret

• objc_msgSend_stret

• objc_setClassHandler

• object_getInstanceVariable

• object_setInstanceVariable

• sel_getName

• sel_getUid

• sel_isMapped

• sel_registerName

• ClassHandlerCallback

• Class-Definition Data Structures

• objc_class

• objc_ivar

• objc_ivar_list

• IMP

• marg_list

• SEL

• objc_method

• objc_method_list

• objc_cache

• objc_protocol_list

• Instance Data Types

• id

• objc_object

• objc_super

• Macros

• YES

• NO