move io and keyval to libio and libkeyval

status/Makefile

@@ -6,17 +6,17 @@ run: status
 clean:
 	rm -f status *.o
 
-status: status.c order.c io.o keyval.o
-	$(CC) $(CFLAGS) -o $@ $@.c io.o keyval.o
+status: status.c order.c libio.o libkeyval.o
+	$(CC) $(CFLAGS) -o $@ $@.c libio.o libkeyval.o
 
 order.c: order.def.c
 	- cp -v order.def.c $@
 
-io.o: io.c io.h
-	$(CC) $(CFLAGS) -c -o $@ io.c
+libio.o: libio.c libio.h
+	$(CC) $(CFLAGS) -c -o $@ libio.c
 
-keyval.o: keyval.c keyval.h settings.c
-	$(CC) $(CFLAGS) -c -o $@ keyval.c
+libkeyval.o: libkeyval.c libkeyval.h settings.c
+	$(CC) $(CFLAGS) -c -o $@ libkeyval.c
 
 settings.c: settings.def.c
 	- cp -v settings.def.c $@

status/libio.c

@@ -3,7 +3,7 @@
 #include <assert.h> /* assert(3) */
 #include <errno.h> /* errno */
 #include <stdio.h> /* fputs(3), stdout, NULL */
-#include "io.h"
+#include "libio.h"
 
 /* output */
 static char *hold = NULL;

status/libkeyval.c

@@ -4,7 +4,7 @@
 #include <assert.h> /* assert(3) */
 #include <stdlib.h> /* atoi(3) */
 #include <string.h> /* strcmp(3) */
-#include "keyval.h"
+#include "libkeyval.h"
 
 static struct State state = { 0 };
 

status/status.c

@@ -4,8 +4,8 @@
 #include <stdlib.h> /* "mod_time.c" */
 #include <time.h> /* "mod_time.c" */
 #include <unistd.h> /* sleep(3) */
-#include "io.h" /* drop(3), out(3), "mod_static.c" */
-#include "keyval.h" /* cpy(3), del(3), get(3), keyval_init(3), set(3),
+#include "libio.h" /* drop(3), out(3), "mod_static.c" */
+#include "libkeyval.h" /* cpy(3), del(3), get(3), keyval_init(3), set(3),
 		     * "mod_static.c" */
 
 #define ever (;;)