Hello. A C method is defined like this:
MPG123_EXPORT int mpg123_icy(mpg123_handle *mh, char **icy_meta); and translated in Pascal with this: function mpg123_icy(mh: Tmpg123_handle; var icy_meta: PPChar): integer; cdecl; OK, the function seems to work because the result = 0 (no error). But how to retrieve the data icy_meta (PPChar) ? var theicytag : PPChar; resu : integer; ... resu := mpg123_icy(ahandle, theicytag); if resu = 0 then writeln(theicytag^); --> raise exception + crash resu := mpg123_icy(ahandle, theicytag); if resu = 0 then writeln(theicytag^^); --> also raise exception + crash Fre;D ----- Many thanks ;-) -- View this message in context: http://free-pascal-general.1045716.n5.nabble.com/Get-value-of-PPChar-tp5728277.html Sent from the Free Pascal - General mailing list archive at Nabble.com. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
