From 463f366e2bc51e4157a1d7b37675466cfea1aee3 Mon Sep 17 00:00:00 2001
From: smea <smealum@gmail.com>
Date: Thu, 20 Nov 2014 03:05:51 -0800
Subject: [PATCH 1/2] added prototype to soc.h

---
 libctru/include/3ds/services/soc.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libctru/include/3ds/services/soc.h b/libctru/include/3ds/services/soc.h
index 32fb909..0b34775 100644
--- a/libctru/include/3ds/services/soc.h
+++ b/libctru/include/3ds/services/soc.h
@@ -3,3 +3,5 @@
 Result SOC_Initialize(u32 *context_addr, u32 context_size);//Example context_size: 0x48000. The specified context buffer can no longer be accessed by the process which called this function, since the userland permissions for this block are set to no-access.
 Result SOC_Shutdown();
 int SOC_GetErrno();
+
+long gethostid();

From dfde24702bf6044158d52c5ec59e5990ff821d53 Mon Sep 17 00:00:00 2001
From: profi200 <fd3194@gmx.de>
Date: Thu, 20 Nov 2014 14:58:24 +0100
Subject: [PATCH 2/2] Added comments to the app_launch example for better
 understanding for beginners

---
 examples/app_launch/source/main.c | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/examples/app_launch/source/main.c b/examples/app_launch/source/main.c
index 0077c6c..807cb39 100644
--- a/examples/app_launch/source/main.c
+++ b/examples/app_launch/source/main.c
@@ -6,37 +6,47 @@
 
 int main()
 {
-	srvInit();	
-	aptInit();
-	gfxInit();
-	hidInit(NULL);
+	srvInit(); // Needed
+	aptInit(); // Needed
+	gfxInit(); // Init graphic stuff
+	hidInit(NULL); // For input (buttons, touchscreen...)
 
 
+	// We need these 2 buffers for APT_DoAppJump() later. They can be smaller too
 	u8 buf0[0x300];
 	u8 buf1[0x20];
 
 
+	// Loop as long as the status is not exit
 	while(aptMainLoop())
 	{
+		// Scan hid shared memory for input events
 		hidScanInput();
 
-		if(hidKeysDown() & KEY_A)
+		if(hidKeysDown() & KEY_A) // If the A button got pressed, start the app launch
 		{
+			// Clear both buffers
 			memset(buf0, 0, 0x300);
 			memset(buf1, 0, 0x20);
 
+			// Open an APT session so we can talk to the APT service
 			aptOpenSession();
-			APT_PrepareToDoAppJump(NULL, 0, 0x0004001000022400LL, 0); // *EUR* camera app
-			APT_DoAppJump(NULL, 0x300, 0x20, buf0, buf1);
+			// Prepare for the app launch
+			APT_PrepareToDoAppJump(NULL, 0, 0x0004001000022400LL, 0); // *EUR* camera app title ID
+			// Tell APT to trigger the app launch and set the status of this app to exit
+			APT_DoAppJump(NULL, 0x300 /* size of buf0 */, 0x20 /* size of buf1 */, buf0, buf1);
+			// Close the APT session because we don't need APT anymore
 			aptCloseSession();
 		}
 
+		// Flush + swap framebuffers and wait for VBlank. Not really needed in this example
 		gfxFlushBuffers();
 		gfxSwapBuffers();
 		gspWaitForVBlank();
 	}
 
 
+	// Deinit everything before the app process get's terminated
 	hidExit();
 	gfxExit();
 	aptExit();