#ifndef _@GUARD_PREFIX@_SYS_TYPES_H
/* The include_next requires a split double-inclusion guard. */
+# define _GL_INCLUDING_SYS_TYPES_H
#@INCLUDE_NEXT@ @NEXT_SYS_TYPES_H@
+# undef _GL_INCLUDING_SYS_TYPES_H
#ifndef _@GUARD_PREFIX@_SYS_TYPES_H
#define _@GUARD_PREFIX@_SYS_TYPES_H