[meta.trans.ptr]

Table 61 — Pointer modifications [tab:meta.trans.ptr]

🔗 Template	Comments
🔗 template<class T> struct remove_pointer;	If T has type “(possibly cv-qualified) pointer to T1” then the member typedef type denotes T1; otherwise, it denotes T.
🔗 template<class T> struct add_pointer;	If T is a referenceable type ([defns.referenceable]) or a cv void type then the member typedef type denotes remove_reference_t<T>*; otherwise, type denotes T.