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Multidimensional array and dllhijacking

I'am currently working on a tool which checks if your apps are vulnerable to dllhijacking. Anyway, there's a section in my code which doesn't look very elegant. Now there are just two sets, but I want to add some more. Is there another way instead of just adding for loops for each set?

LPSTR szFileExtWireShark[] = {"airpcap.dll", ".bfr", ".enc", ".fdc", ".pcap", ".pcapng", ".syc", NULL};
LPSTR szFileExtWin7[] = {"wab32res.dll", ".contact", ".group", ".p7c", ".vcf", NULL};

int loadSets(LPSTR szFileName, LPSTR szPath) {
  int counter;
  for(counter=1; szFileExtWireShark[counter] != NULL; counter++) {
 checkExt(szFileName, szPath, szFileExtWireShark[counter], szFileExtWireShark[0]);
  }
  for(counter=1; szFileExtWin7[counter] != NULL; counter++) {
 checkExt(szFileName, szPath, szFileExtWin7[counter],开发者_Go百科 szFileExtWin7[0]);
  }
}


using single loop

 LPSTR szFileExtWireShark[] = {"airpcap.dll", ".bfr", ".enc", ".fdc", ".pcap", ".pcapng", ".syc", NULL};
    LPSTR szFileExtWin7[] = {"wab32res.dll", ".contact", ".group", ".p7c", ".vcf", NULL};

    int loadSets(LPSTR szFileName, LPSTR szPath) {
      int counter;
      for(counter=1; (szFileExtWireShark[counter] != NULL && szFileExtWin7[counter] != NULL); counter++) {
    if(szFileExtWireShark[counter] != NULL)
     checkExt(szFileName, szPath, szFileExtWireShark[counter], szFileExtWireShark[0]);
    if(szFileExtWin7[counter] != NULL)
     checkExt(szFileName, szPath, szFileExtWin7[counter], szFileExtWin7[0]);
      }
    }
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