1pack_fopen_vtable(3)            Allegro manual            pack_fopen_vtable(3)
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NAME

6       pack_fopen_vtable - Allegro game programming library.
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SYNOPSIS

9       #include <allegro.h>
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12       PACKFILE  *pack_fopen_vtable(const PACKFILE_VTABLE *vtable, void *user‐
13       data);
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DESCRIPTION

16       Creates a new packfile structure that uses the functions  specified  in
17       the  vtable  instead  of  the  standard  functions. The data pointer by
18       `vtable' and `userdata' must remain available for the lifetime  of  the
19       created packfile.
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21       While  the  created  packfile  structure can be used with other Allegro
22       functions, there are  two  limitations.  First,  opening  chunks  using
23       pack_fopen_chunk()  on  top of the returned packfile is not possible at
24       this time. And packfile_password() does not have any  effect  on  pack‐
25       files opened with pack_fopen_vtable().
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RETURN VALUE

28       On  success, it returns a pointer to a PACKFILE structure, and on error
29       it returns NULL and stores an error code in `errno'.
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SEE ALSO

33       pack_fopen(3), pack_fopen_chunk(3), packfile_password(3), expackf(3)
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37Allegro                          version 4.4.3            pack_fopen_vtable(3)
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