Use fixed-width integer types for MY_TYPE in examples for clarity and future compatibility

Author: giuliomoro

tests/duplex.cpp

@@ -14,11 +14,11 @@
 #include <cstring>
 
 /*
-typedef char MY_TYPE;
+typedef int8_t MY_TYPE;
 #define FORMAT RTAUDIO_SINT8
 */
 
-typedef signed short MY_TYPE;
+typedef int16_t MY_TYPE;
 #define FORMAT RTAUDIO_SINT16
 
 /*

tests/playraw.cpp

@@ -16,12 +16,12 @@
 #include <stdio.h>
 
 /*
-typedef char  MY_TYPE;
+typedef int8_t MY_TYPE;
 #define FORMAT RTAUDIO_SINT8
 #define SCALE  127.0
 */
 
-typedef signed short  MY_TYPE;
+typedef int16_t MY_TYPE;
 #define FORMAT RTAUDIO_SINT16
 #define SCALE  32767.0
 
@@ -30,7 +30,7 @@ typedef S24 MY_TYPE;
 #define FORMAT RTAUDIO_SINT24
 #define SCALE  8388607.0
 
-typedef signed int  MY_TYPE;
+typedef int32_t MY_TYPE;
 #define FORMAT RTAUDIO_SINT32
 #define SCALE  2147483647.0
 

tests/playsaw.cpp

@@ -14,12 +14,12 @@
 #include <signal.h>
 
 /*
-typedef char MY_TYPE;
+typedef int8_t MY_TYPE;
 #define FORMAT RTAUDIO_SINT8
 #define SCALE  127.0
 */
 
-typedef signed short MY_TYPE;
+typedef int16_t MY_TYPE;
 #define FORMAT RTAUDIO_SINT16
 #define SCALE  32767.0
 

tests/record.cpp

@@ -16,11 +16,11 @@
 #include <stdio.h>
 
 /*
-typedef char MY_TYPE;
+typedef int8_t MY_TYPE;
 #define FORMAT RTAUDIO_SINT8
 */
 
-typedef signed short MY_TYPE;
+typedef int16_t MY_TYPE;
 #define FORMAT RTAUDIO_SINT16
 
 /*