A reference is not an object. Hence, we may not have a pointer to a reference. However, because a pointer is an object, we can define a reference to a pointer

belongs to book: C++ Primer|Stanley B.Lippman, Josee Lajoie, Barbara E.Moo|5th Edition| Chapter number:2| Question number:e.g2.3.3.8

KasimKamal

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2022-07-03

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A reference is not an object. Hence, we may not have a pointer to a reference. However, because a pointer is an object, we can define a reference to a pointer.

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KasimKamal

2022-07-03

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int *p; // p is a pointer to int
int *&r = p; // r is a reference to the pointer p
r = &i; // r refers to a pointer; assigning &i to r makes p point to i
*r = 0; // dereferencing r yields i, the object to which p points; changes i to 0

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A reference is not an object. Hence, we may not have a pointer to a reference. However, because a pointer is an object, we can define a reference to a pointer

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