diff --git a/lang/cem/libcc.ansi/build.lua b/lang/cem/libcc.ansi/build.lua
index 9e06c243b..f6bdc8f45 100644
--- a/lang/cem/libcc.ansi/build.lua
+++ b/lang/cem/libcc.ansi/build.lua
@@ -39,16 +39,15 @@ for _, plat in ipairs(vars.plats) do
 			"./core/locale/*.c",
 			"./core/setjmp/*.c",
 			"./core/setjmp/*.e",
-			"./core/math/*.c", -- hypot.c
+			"./core/math/*.c",
 			"./core/math/*.e",
 			"./core/ctype/*.c",
 			"./core/misc/*.c",
+			"./core/time/*.c",
 			"./sys/malloc/*.c",
 			"./sys/exit/*.c",
 			"./sys/stdio/*.c",
 			"./sys/misc/*.c",
-			"./stdio/*.c",
-			"./time/*.c",
 		},
 		hdrs = {}, -- must be empty
 		deps = {
diff --git a/lang/cem/libcc.ansi/time/asctime.c b/lang/cem/libcc.ansi/core/time/asctime.c
similarity index 100%
rename from lang/cem/libcc.ansi/time/asctime.c
rename to lang/cem/libcc.ansi/core/time/asctime.c
diff --git a/lang/cem/libcc.ansi/time/ctime.c b/lang/cem/libcc.ansi/core/time/ctime.c
similarity index 100%
rename from lang/cem/libcc.ansi/time/ctime.c
rename to lang/cem/libcc.ansi/core/time/ctime.c
diff --git a/lang/cem/libcc.ansi/time/difftime.c b/lang/cem/libcc.ansi/core/time/difftime.c
similarity index 100%
rename from lang/cem/libcc.ansi/time/difftime.c
rename to lang/cem/libcc.ansi/core/time/difftime.c
diff --git a/lang/cem/libcc.ansi/time/gmtime.c b/lang/cem/libcc.ansi/core/time/gmtime.c
similarity index 100%
rename from lang/cem/libcc.ansi/time/gmtime.c
rename to lang/cem/libcc.ansi/core/time/gmtime.c
diff --git a/lang/cem/libcc.ansi/time/loc_time.h b/lang/cem/libcc.ansi/core/time/loc_time.h
similarity index 91%
rename from lang/cem/libcc.ansi/time/loc_time.h
rename to lang/cem/libcc.ansi/core/time/loc_time.h
index 180bc74a4..e0f43ad5b 100644
--- a/lang/cem/libcc.ansi/time/loc_time.h
+++ b/lang/cem/libcc.ansi/core/time/loc_time.h
@@ -17,8 +17,8 @@ extern const int _ytab[2][12];
 extern const char *_days[];
 extern const char *_months[];
 
-void _tzset(void);
-unsigned _dstget(struct tm *timep);
+extern void _tzset(void);
+extern unsigned _dstget(struct tm *timep);
 
 extern long _timezone;
 extern long _dst_off;
diff --git a/lang/cem/libcc.ansi/time/localtime.c b/lang/cem/libcc.ansi/core/time/localtime.c
similarity index 100%
rename from lang/cem/libcc.ansi/time/localtime.c
rename to lang/cem/libcc.ansi/core/time/localtime.c
diff --git a/lang/cem/libcc.ansi/time/misc.c b/lang/cem/libcc.ansi/core/time/misc.c
similarity index 100%
rename from lang/cem/libcc.ansi/time/misc.c
rename to lang/cem/libcc.ansi/core/time/misc.c
diff --git a/lang/cem/libcc.ansi/time/mktime.c b/lang/cem/libcc.ansi/core/time/mktime.c
similarity index 100%
rename from lang/cem/libcc.ansi/time/mktime.c
rename to lang/cem/libcc.ansi/core/time/mktime.c
diff --git a/lang/cem/libcc.ansi/time/strftime.c b/lang/cem/libcc.ansi/core/time/strftime.c
similarity index 100%
rename from lang/cem/libcc.ansi/time/strftime.c
rename to lang/cem/libcc.ansi/core/time/strftime.c
diff --git a/lang/cem/libcc.ansi/time/tzset.c b/lang/cem/libcc.ansi/core/time/tzset.c
similarity index 100%
rename from lang/cem/libcc.ansi/time/tzset.c
rename to lang/cem/libcc.ansi/core/time/tzset.c
diff --git a/lang/cem/libcc.ansi/time/clock.c b/lang/cem/libcc.ansi/sys/misc/clock.c
similarity index 100%
rename from lang/cem/libcc.ansi/time/clock.c
rename to lang/cem/libcc.ansi/sys/misc/clock.c
diff --git a/lang/cem/libcc.ansi/time/LIST b/lang/cem/libcc.ansi/time/LIST
deleted file mode 100644
index 4beee1806..000000000
--- a/lang/cem/libcc.ansi/time/LIST
+++ /dev/null
@@ -1,12 +0,0 @@
-loc_time.h
-ctime.c
-asctime.c
-localtime.c
-clock.c
-difftime.c
-gmtime.c
-mktime.c
-strftime.c
-time.c
-tzset.c
-misc.c
diff --git a/lang/cem/libcc.ansi/time/Makefile b/lang/cem/libcc.ansi/time/Makefile
deleted file mode 100644
index e0cbf5db6..000000000
--- a/lang/cem/libcc.ansi/time/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-clean:
-	rm -f ctime.o asctime.o localtime.o clock.o difftime.o gmtime.o \
-		mktime.o strftime.o time.o tzset.o misc.o OLIST