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-rw-r--r--libguile/boolean.h15
1 files changed, 3 insertions, 12 deletions
diff --git a/libguile/boolean.h b/libguile/boolean.h
index 600c31966..c9945e566 100644
--- a/libguile/boolean.h
+++ b/libguile/boolean.h
@@ -60,17 +60,8 @@
-#ifdef __STDC__
-extern SCM scm_not(SCM x);
-extern SCM scm_boolean_p(SCM obj);
-extern void scm_init_boolean (void);
-
-#else /* STDC */
-extern SCM scm_not();
-extern SCM scm_boolean_p();
-extern void scm_init_boolean ();
-
-#endif /* STDC */
-
+extern SCM scm_not SCM_P ((SCM x));
+extern SCM scm_boolean_p SCM_P ((SCM obj));
+extern void scm_init_boolean SCM_P ((void));
#endif /* BOOLEANH */