diff --git a/lang/cem/libcc.ansi/build.lua b/lang/cem/libcc.ansi/build.lua
index fce3470af..7536d002f 100644
--- a/lang/cem/libcc.ansi/build.lua
+++ b/lang/cem/libcc.ansi/build.lua
@@ -34,6 +34,7 @@ for _, plat in ipairs(vars.plats) do
 			"+ctype_files",
 			"+ctype_tab",
 			"./pure/string/*.c",
+			"./pure/stdlib/*.c",
 			"./ctype/*.c",
 			"./errno/*.c",
 			"./locale/*.c",
diff --git a/lang/cem/libcc.ansi/stdlib/abs.c b/lang/cem/libcc.ansi/pure/stdlib/abs.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/abs.c
rename to lang/cem/libcc.ansi/pure/stdlib/abs.c
diff --git a/lang/cem/libcc.ansi/stdlib/atoi.c b/lang/cem/libcc.ansi/pure/stdlib/atoi.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/atoi.c
rename to lang/cem/libcc.ansi/pure/stdlib/atoi.c
diff --git a/lang/cem/libcc.ansi/stdlib/atol.c b/lang/cem/libcc.ansi/pure/stdlib/atol.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/atol.c
rename to lang/cem/libcc.ansi/pure/stdlib/atol.c
diff --git a/lang/cem/libcc.ansi/stdlib/bsearch.c b/lang/cem/libcc.ansi/pure/stdlib/bsearch.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/bsearch.c
rename to lang/cem/libcc.ansi/pure/stdlib/bsearch.c
diff --git a/lang/cem/libcc.ansi/stdlib/div.c b/lang/cem/libcc.ansi/pure/stdlib/div.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/div.c
rename to lang/cem/libcc.ansi/pure/stdlib/div.c
diff --git a/lang/cem/libcc.ansi/stdlib/getenv.c b/lang/cem/libcc.ansi/pure/stdlib/getenv.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/getenv.c
rename to lang/cem/libcc.ansi/pure/stdlib/getenv.c
diff --git a/lang/cem/libcc.ansi/stdlib/labs.c b/lang/cem/libcc.ansi/pure/stdlib/labs.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/labs.c
rename to lang/cem/libcc.ansi/pure/stdlib/labs.c
diff --git a/lang/cem/libcc.ansi/stdlib/ldiv.c b/lang/cem/libcc.ansi/pure/stdlib/ldiv.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/ldiv.c
rename to lang/cem/libcc.ansi/pure/stdlib/ldiv.c
diff --git a/lang/cem/libcc.ansi/stdlib/mblen.c b/lang/cem/libcc.ansi/pure/stdlib/mblen.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/mblen.c
rename to lang/cem/libcc.ansi/pure/stdlib/mblen.c
diff --git a/lang/cem/libcc.ansi/stdlib/mbstowcs.c b/lang/cem/libcc.ansi/pure/stdlib/mbstowcs.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/mbstowcs.c
rename to lang/cem/libcc.ansi/pure/stdlib/mbstowcs.c
diff --git a/lang/cem/libcc.ansi/stdlib/mbtowc.c b/lang/cem/libcc.ansi/pure/stdlib/mbtowc.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/mbtowc.c
rename to lang/cem/libcc.ansi/pure/stdlib/mbtowc.c
diff --git a/lang/cem/libcc.ansi/stdlib/putenv.c b/lang/cem/libcc.ansi/pure/stdlib/putenv.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/putenv.c
rename to lang/cem/libcc.ansi/pure/stdlib/putenv.c
diff --git a/lang/cem/libcc.ansi/stdlib/qsort.c b/lang/cem/libcc.ansi/pure/stdlib/qsort.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/qsort.c
rename to lang/cem/libcc.ansi/pure/stdlib/qsort.c
diff --git a/lang/cem/libcc.ansi/stdlib/rand.c b/lang/cem/libcc.ansi/pure/stdlib/rand.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/rand.c
rename to lang/cem/libcc.ansi/pure/stdlib/rand.c
diff --git a/lang/cem/libcc.ansi/stdlib/setenv.c b/lang/cem/libcc.ansi/pure/stdlib/setenv.c
similarity index 97%
rename from lang/cem/libcc.ansi/stdlib/setenv.c
rename to lang/cem/libcc.ansi/pure/stdlib/setenv.c
index e6f7b8d88..c973bd58a 100644
--- a/lang/cem/libcc.ansi/stdlib/setenv.c
+++ b/lang/cem/libcc.ansi/pure/stdlib/setenv.c
@@ -64,7 +64,7 @@ int setenv(register const char* name, register const char* value, int rewrite)
 		environ[cnt + 1] = NULL;
 		offset = cnt;
 	}
-	for (C = name; *C && *C != '='; ++C)
+	for (C = (char*) name; *C && *C != '='; ++C)
 		; /* no `=' in name */
 	if (!(environ[offset] = /* name + `=' + value */
 	        malloc((unsigned)((int)(C - name) + l_value + 2))))
diff --git a/lang/cem/libcc.ansi/stdlib/strtol.c b/lang/cem/libcc.ansi/pure/stdlib/strtol.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/strtol.c
rename to lang/cem/libcc.ansi/pure/stdlib/strtol.c
diff --git a/lang/cem/libcc.ansi/stdlib/wcstombs.c b/lang/cem/libcc.ansi/pure/stdlib/wcstombs.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/wcstombs.c
rename to lang/cem/libcc.ansi/pure/stdlib/wcstombs.c
diff --git a/lang/cem/libcc.ansi/stdlib/wctomb.c b/lang/cem/libcc.ansi/pure/stdlib/wctomb.c
similarity index 100%
rename from lang/cem/libcc.ansi/stdlib/wctomb.c
rename to lang/cem/libcc.ansi/pure/stdlib/wctomb.c