this shit pisses me off so much

pc-outro.c

@@ -1,12 +1,11 @@
 #include <stdio.h>
-#include "portaudio.h"
-
+#include <ao/ao.h>
+#include <mpg123.h>
 
 void shutdown(int os);
 
 void main (void){
     int os;
-
     #ifdef _WIN32
         os = 1;
     #elif TARGET_OS_MAC
@@ -19,15 +18,69 @@ void main (void){
         os = 0;
 	#endif
 
-    printf("%d", os);
-    
+    mpg123_handle *mh;
+    unsigned char *buffer;
+    size_t buffer_size;
+    size_t done;
+    int err;
+
+    int driver;
+    ao_device *dev;
+
+    ao_sample_format format;
+    int channels, encoding;
+    long rate;
+
+    /* initializations */
+    ao_initialize();
+    driver = ao_default_driver_id();
+    mpg123_init();
+    mh = mpg123_new(NULL, &err);
+    buffer_size = mpg123_outblock(mh);
+    buffer = (unsigned char*) malloc(buffer_size * sizeof(unsigned char));
+
+    /* open the file and get the decoding format */
+    mpg123_open(mh, "outro.mp3");
+    mpg123_getformat(mh, &rate, &channels, &encoding);
+
+    /* set the output format and open the output device */
+    format.bits = mpg123_encsize(encoding) * 8;
+    format.rate = rate;
+    format.channels = channels;
+    format.byte_format = AO_FMT_NATIVE;
+    format.matrix = 0;
+    dev = ao_open_live(driver, &format, NULL);
+
+    /* decode and play */
+    while (mpg123_read(mh, buffer, buffer_size, &done) == MPG123_OK){
+        ao_play(dev, buffer, done);
+        }
+
+    /* clean up */
+    free(buffer);
+    ao_close(dev);
+    mpg123_close(mh);
+    mpg123_delete(mh);
+    mpg123_exit();
+    ao_shutdown();
+
+
+    printf("Shutting down, goodbye friend!");
+    shutdown(os);   
 };
 
 void shutdown(int os){
     switch(os){
+        case 1:
+            system("c:\\windows\\system32\\shutdown /i");
+            break;
+        case 2:
+        case 4:
+            system("shutdown -h now");
+            break;
         case 3:
-            // TODO: check init system; https://unix.stackexchange.com/questions/18209/detect-init-system-using-the-shell
             system("shutdown -P now");
+            break;
         default:
             printf("Error: Could not determine OS");
     }