Modified ifNext to only take the ZString parameter and let C++ do the conversions.

File.h

@@ -16,7 +16,6 @@ namespace coreutils {
    class File {
 
     public:
-//      File(std::string fileName, int mode, int authority);
       File(ZString fileName, int mode = O_RDONLY, int authority = 0664);
       ~File();
       void setBufferSize(size_t size);
@@ -30,10 +29,10 @@ namespace coreutils {
       size_t size;
       bool eof();
 
-      std::string fileName;
+      coreutils::ZString fileName;
 
     private:
-      void open(std::string fileName, int mode, int authority);
+      void open(coreutils::ZString fileName, int mode, int authority);
       int fd;
       coreutils::ZString zstring;
       bool mEof = false;