M main.c → main.c

@@ -1,8 +1,8 @@
 #include <stdio.h>
 #include <termios.h>
 
-#include "menu.c"
-#include "term.c"
+#include "menu.h"
+#include "term.h"
 
 int main() {
   uint8_t ret = 0;

M meson.build → meson.build

@@ -2,6 +2,8 @@ project(
   'thing',
   'c',
   default_options :
-    ['c_std=c99']
+    ['c_std=c99', 'W=all']
   )
-executable('thing', 'main.c')
+term = library('thingterm', 'term.c')
+menu = library('thingmenu', 'menu.c')
+executable('thing', 'main.c', link_with: [term, menu])

M term.c → term.c

@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <termios.h>
+#include <unistd.h>
 
 void setup_term(struct termios *old) {
   struct termios new;