Home What does this mean in pascal: const char **pzTail
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What does this mean in pascal: const char **pzTail

loki
1#
loki Published in 2018-02-10 22:05:38Z

I m a little lost with this declaration:

SQLITE_API int SQLITE_STDCALL sqlite3_prepare(
  const char **pzTail     /* OUT: Pointer to unused portion of zSql */
);

does it's mean :

out pzTail: PansiChar
out pzTail: PPansiChar
const pzTail: PAnsiChar
const pzTail: PPAnsiChar

NOTE: the doc of sqlite3_prepare say pzTail could be null

Remy Lebeau
2#
Remy Lebeau Reply to 2018-02-11 02:25:47Z

const pzTail: PPAnsiChar would be the closest and most correct literal translation, especially since pzTail is allowed to be nil, according to the sqlite3_prepare documentation.

Semantically, if you never pass nil, then you should use var pzTail: PAnsiChar or out pzTail: PAnsiChar instead.

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