_GL_CXXALIAS_RPL (nanosleep, int,
(struct timespec const *__rqtp, struct timespec *__rmtp));
# else
+# if ! @HAVE_NANOSLEEP@
+_GL_FUNCDECL_SYS (nanosleep, int,
+ (struct timespec const *__rqtp, struct timespec *__rmtp)
+ _GL_ARG_NONNULL ((1)));
+# endif
_GL_CXXALIAS_SYS (nanosleep, int,
(struct timespec const *__rqtp, struct timespec *__rmtp));
# endif