diff --git a/libcrecovery/common.h b/libcrecovery/common.h
new file mode 100644
index 0000000..59af22e
--- /dev/null
+++ b/libcrecovery/common.h
@@ -0,0 +1,10 @@
+#ifndef LIBCRECOVERY_COMMON_H
+#define LIBCRECOVERY_COMMON_H
+
+#include <stdio.h>
+
+int __system(const char *command);
+FILE * __popen(const char *program, const char *type);
+int __pclose(FILE *iop);
+
+#endif
\ No newline at end of file