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diff --git a/csvncgi/wrapper.h b/csvncgi/wrapper.h
new file mode 100644
index 0000000..be7898c
--- /dev/null
+++ b/csvncgi/wrapper.h
@@ -0,0 +1,38 @@
+
+#ifndef    __WRAPPER_H
+#define    __WRAPPER_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+typedef void (*wrapper_errfunc)( const char *fmt, ... );
+
+extern void wrapper_error( const char *fmt, ... ) __attribute__((format (printf,1,2)));
+extern wrapper_errfunc wrapper_fatal; /* Default Fatal Error Function == wrapper_error() */
+
+
+extern char *xstrdup( const char *str );
+extern void *xmalloc( size_t size );
+extern void *xrealloc( void *ptr, size_t size );
+
+extern int xopen( const char *path, int oflag, ... );
+extern ssize_t xread(int fd, void *buf, size_t len);
+extern ssize_t xwrite( int fd, const void *buf, size_t len );
+
+extern ssize_t read_in_full( int fd, void *buf, size_t count );
+extern ssize_t write_in_full( int fd, const void *buf, size_t count );
+
+extern int xdup( int fd );
+
+extern FILE *xfopen( const char *path, const char *mode );
+extern FILE *xfdopen( int fd, const char *mode );
+
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* __WRAPPER_H */