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+/// Accessor to the .gat map virtual files
+// Note .gat files are mapped to .wlk files by data/resnametable.txt
+// Note that there currently is a 1-1 correlation between them,
+// but it is possible for a single .wlk to have multiple .gats reference it
+#ifndef GRFIO_HPP
+#define GRFIO_HPP
+
+/// Load file into memory
+# define grfio_read(resourcename) grfio_reads (resourcename, NULL)
+/// Load file into memory and possibly record length
+// For some reason, this allocates an extra 1024 bytes at the end
+void *grfio_reads (const char *resourcename, size_t *size);
+/// Get size of file
+// This is only called once, and that is to check the existence of a file.
+size_t grfio_size (const char *resourcename) __attribute__((deprecated));
+
+#endif // GRFIO_HPP