Load mod dynamically

build.sh

@@ -2,4 +2,4 @@
 CFLAGS="-std=c11 -pedantic -Wall -Wextra"
 mkdir -p build
 clang $CFLAGS -fPIC -shared mod.c -o build/libmod.so
-clang $CFLAGS -Lbuild -lmod main.c -o build/demo
+clang $CFLAGS main.c -o build/demo

main.c

@@ -5,13 +5,16 @@
 
 #define _POSIX_C_SOURCE 199309L
 
-#include "mod.h"
-
+#include <dlfcn.h>
 #include <stdio.h>
 #include <time.h>
 
+typedef const char *(*getmsg_t)(void);
+
 int main(void)
 {
+	void *mod = dlopen("libmod.so", RTLD_NOW);
+	const getmsg_t getmsg = (getmsg_t)dlsym(mod, "getmsg");
 	const struct timespec pause = { .tv_nsec = 16666667 };
 	while (1) {
 		printf("\33[2K\r%s", getmsg());

mod.c

@@ -3,8 +3,6 @@
  * SPDX-License-Identifier: AGPL-3.0-only
  */
 
-#include "mod.h"
-
 const char *getmsg(void)
 {
 	return "hi";