Merge pull request #230 from per1234/keyboard-return-types

Correct return types of Keyboard functions

Author: SimonePDA

Language/Functions/USB/Keyboard/keyboardPress.adoc

@@ -32,7 +32,7 @@ It is necessary to call link:../keyboardbegin[Keyboard.begin()] before using `pr
 
 [float]
 === Returns
-Nothing
+`size_t` : number of key presses sent.
 
 --
 // OVERVIEW SECTION ENDS

Language/Functions/USB/Keyboard/keyboardPrint.adoc

@@ -32,7 +32,7 @@ Sends a keystroke to a connected computer.
 
 [float]
 === Returns
-`int` : number of bytes sent.
+`size_t` : number of bytes sent.
 
 --
 // OVERVIEW SECTION ENDS

Language/Functions/USB/Keyboard/keyboardPrintln.adoc

@@ -35,7 +35,7 @@ Sends a keystroke to a connected computer, followed by a newline and carriage re
 
 [float]
 === Returns
-`int` : number of bytes sent
+`size_t` : number of bytes sent
 
 --
 // OVERVIEW SECTION ENDS

Language/Functions/USB/Keyboard/keyboardRelease.adoc

@@ -30,7 +30,7 @@ Lets go of the specified key. See link:../keyboardpress[Keyboard.press()] for mo
 
 [float]
 === Returns
-`int` : the number of keys released
+`size_t` : the number of keys released
 
 --
 // OVERVIEW SECTION ENDS

Language/Functions/USB/Keyboard/keyboardReleaseAll.adoc

@@ -30,7 +30,7 @@ Nothing
 
 [float]
 === Returns
-`int` : the number of keys released
+Nothing
 
 --
 // OVERVIEW SECTION ENDS

Language/Functions/USB/Keyboard/keyboardWrite.adoc

@@ -41,7 +41,7 @@ Keyboard.write(0b01000001); // same thing in binary (weird choice, but it works)
 
 [float]
 === Returns
-`int` : number of bytes sent.
+`size_t` : number of bytes sent.
 
 --
 // OVERVIEW SECTION ENDS