NAME
zip_unchange — 
undo changes to file in
  zip archive
LIBRARY
libzip (-lzip)
SYNOPSIS
#include <zip.h>
int
zip_unchange(
zip_t
  *archive, 
zip_uint64_t
  index);
DESCRIPTION
Changes to the file at position 
index are reverted.
RETURN VALUES
Upon successful completion 0 is returned. Otherwise, -1 is returned and the
  error code in 
archive is set to indicate the error.
ERRORS
zip_unchange() fails if:
  -  
-  
- [ZIP_ER_EXISTS]
- Unchanging the name would result in a duplicate name in the
      archive.
-  
-  
- [ZIP_ER_INVAL]
- index is not a valid file index in
      zip.
SEE ALSO
libzip(3),
  
zip_unchange_all(3),
  
zip_unchange_archive(3)
HISTORY
zip_unchange() was added in libzip 0.6. In libzip 0.10 the
  type of 
index was changed from 
int
  to 
zip_uint64_t.
AUTHORS
Dieter Baron
  <
dillo@nih.at> and
  
Thomas Klausner
  <
tk@giga.or.at>