The fundamental types PAnsiChar and PWideChar represent pointers to AnsiChar and WideChar values, respectively. The generic PChar represents a pointer to a Char (that is, in its current implementation, to an AnsiChar). These character pointers are used to manipulate null-terminated strings.
指向字符或字符串的指针
Pchar --- > "P"代表指针,"CHAR"代表指针指向的数据类型
同理 有
Pinteger Pstring.....
char类型的指针
char *
D2010 PChar = PWideChar 对应 WCHAR *