The ctype functions are pure.

lang/cem/libcc.ansi/build.lua

@@ -2,12 +2,12 @@ include("plat/build.lua")
 
 tabgen {
 	name = "ctype_tab",
-	srcs = { "./ctype/char.tab" }
+	srcs = { "./pure/ctype/char.tab" }
 }
 
 normalrule {
 	name = "ctype_files",
-	ins = { "./ctype/genfiles" },
+	ins = { "./pure/ctype/genfiles" },
 	outleaves = {
 		"isalnum.c",
 		"isalpha.c",
@@ -40,7 +40,7 @@ for _, plat in ipairs(vars.plats) do
 			"./pure/setjmp/*.e",
 			"./pure/math/*.c", -- hypot.c
 			"./pure/math/*.e",
-			"./ctype/*.c",
+			"./pure/ctype/*.c",
 			"./errno/*.c",
 			"./malloc/*.c",
 			"./misc/environ.c", -- don't build everything here as it's all obsolete

lang/cem/libcc.ansi/ctype/LIST

@@ -1,15 +0,0 @@
-isalnum.c
-isalpha.c
-iscntrl.c
-isdigit.c
-isgraph.c
-islower.c
-isprint.c
-ispunct.c
-isspace.c
-isupper.c
-isxdigit.c
-isascii.c
-toupper.c
-tolower.c
-chartab.c

lang/cem/libcc.ansi/ctype/Makefile

@@ -1,15 +0,0 @@
-clean:
-	rm -f isalnum.o isalpha.o iscntrl.o isdigit.o isgraph.o \
-		islower.o isprint.o ispunct.o isspace.o isupper.o \
-		isxdigit.o isascii.o tolower.o toupper.o chartab.o \
-		isalnum.c isalpha.c iscntrl.c isdigit.c isgraph.c \
-		islower.c isprint.c ispunct.c isspace.c isupper.c \
-		isxdigit.c isascii.c chartab.c \
-		OLIST
-
-chartab.c: char.tab
-	tabgen -fchar.tab > chartab.c
-
-isalnum.c isalpha.c iscntrl.c isdigit.c isgraph.c islower.c isprint.c \
-ispunct.c isspace.c isupper.c isxdigit.c isascii.c: genfiles
-	sh genfiles