Add SDL TTF for text rendering

build.zig

@@ -6,6 +6,7 @@ pub fn build(b: *Builder) void {
     
     exe.setBuildMode(mode);
     exe.linkSystemLibrary("SDL2");
+    exe.linkSystemLibrary("SDL_TTF");
     exe.linkSystemLibrary("c");
 
     b.default_step.dependOn(&exe.step);

src/main.zig

@@ -3,6 +3,11 @@ const std = @import("std");
 const c = @cImport({
     @cInclude("SDL2/SDL.h");
 });
+
+const t = @cImport({
+    @cInclude("SDL/SDL_ttf.h");
+});
+
 const assert = @import("std").debug.assert;
 
 pub fn main() !void {
@@ -37,6 +42,13 @@ pub fn main() !void {
         return error.SDLInitializationFailed;
     }
 
+    const ttf_init_result = t.TTF_Init();
+    if (ttf_init_result != 0) {
+        c.SDL_Log("Unable to init TTF: %d", ttf_init_result);
+        return error.TTFInitializationFailed;
+    }
+    defer t.TTF_Quit();
+
     // const surface = c.SDL_GetWindowSurface(screen);
 
     var quit = false;