platform specific dynamic library loading

src/platform.c

@@ -0,0 +1,32 @@
+#ifdef _WIN32
+#include <windows.h>
+#else
+#include <dlfcn.h>
+#endif
+
+void *platform_load_library(const char *path)
+{
+#ifdef _WIN32
+	return (void *)LoadLibraryA(path);
+#else
+	return dlopen(path, RTLD_NOW);
+#endif
+}
+
+void platform_unload_library(void *handle)
+{
+#ifdef _WIN32
+	FreeLibrary((HMODULE)handle);
+#else
+	dlclose(handle);
+#endif
+}
+
+void *platform_get_symbol(void *handle, const char *symbol)
+{
+#ifdef _WIN32
+	return (void *)GetProcAddress((HMODULE)handle, symbol);
+#else
+	return dlsym(handle, symbol);
+#endif
+}