Change a Filename before Unzipping

How to open a zip and modify the filename of one or more files within the zip before unzipping.

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#include <C_CkZip.h>
#include <C_CkZipEntry.h>

void ChilkatSample(void)
    {
    HCkZip zip;
    BOOL success;
    HCkZipEntry entry;
    long numFilesUnzipped;

    zip = CkZip_Create();

    //  Any string unlocks the component for the 1st 30-days.
    success = CkZip_UnlockComponent(zip,"Anything for 30-day trial");
    if (success != TRUE) {
        printf("%s\n",CkZip_lastErrorText(zip));
        return;
    }

    success = CkZip_OpenZip(zip,"test.zip");
    if (success != TRUE) {
        printf("%s\n",CkZip_lastErrorText(zip));
        return;
    }

    entry = CkZip_GetEntryByName(zip,"hamlet.xml");
    //  Assume entry is non-null.  If GetEntryByName failed
    //  to find the entry, it returns a null reference.
    CkZipEntry_putFileName(entry,"hamlet2.xml");
    CkZipEntry_Dispose(entry);

    entry = CkZip_GetEntryByName(zip,"helloWorld.pl");
    CkZipEntry_putFileName(entry,"hw.pl");
    CkZipEntry_Dispose(entry);

    //  Now unzip to the "test" subdirectory, under our current
    //  working directory:

    numFilesUnzipped = CkZip_Unzip(zip,"test");
    if (numFilesUnzipped < 0) {
        printf("%s\n",CkZip_lastErrorText(zip));
        return;
    }

    //  The filenames within the .zip are unchanged, but it unzipped
    //  test/hw.pl and test/hamlet2.xml


    CkZip_Dispose(zip);

    }