Apply clang-tidy style fixes to audio and input code

Use explicit != 0U comparisons for bitmask checks, static_cast instead
of C-style casts, <cstdint>/<cstdio> instead of the C headers, and
puts() instead of iprintf() for plain strings.

source/game_audio.cpp

@@ -4,7 +4,7 @@
 #include "soundbank_bin.h"
 
 void audio_setup(AudioContext &audio) {
-    mmInitDefaultMem((mm_addr)soundbank_bin);
+    mmInitDefaultMem((mm_addr)(soundbank_bin));
 
     mmLoad(MOD_0RIGIN);
 
@@ -17,7 +17,7 @@ void audio_setup(AudioContext &audio) {
 
     audio.sfx_pickup = {
         { SFX_332629__TREASURESOUNDS__ITEM_PICKUP },
-        (int)(1.0f * (1 << 10)),
+        static_cast<int>(1.0F * (1 << 10)),
         0,
         255,
         128,
@@ -25,7 +25,7 @@ void audio_setup(AudioContext &audio) {
 
     audio.sfx_boom = {
         { SFX_BOOM },
-        (int)(1.0f * (1 << 10)),
+        static_cast<int>(1.0F * (1 << 10)),
         1,
         255,
         128,
@@ -33,7 +33,7 @@ void audio_setup(AudioContext &audio) {
 
     audio.sfx_pause = {
         { SFX_167127__CRISSTANZA__PAUSE },
-        (int)(1.0f * (1 << 10)),
+        static_cast<int>(1.0F * (1 << 10)),
         2,
         255,
         128,
@@ -41,7 +41,7 @@ void audio_setup(AudioContext &audio) {
 
     audio.sfx_unpause = {
         { SFX_167126__CRISSTANZA__UNPAUSE },
-        (int)(1.0f * (1 << 10)),
+        static_cast<int>(1.0F * (1 << 10)),
         3,
         255,
         128,
@@ -49,7 +49,7 @@ void audio_setup(AudioContext &audio) {
 
     audio.sfx_plop = {
         { SFX_273792__PACOMAV__PLOP },
-        (int)(1.0f * (1 << 10)),
+        static_cast<int>(1.0F * (1 << 10)),
         4,
         128,
         128,
@@ -57,7 +57,7 @@ void audio_setup(AudioContext &audio) {
 
     audio.sfx_fail = {
         { SFX_73750__TIMBRE__REMIX_OF_BENBONCAN_SAD_TROMBONE_MORE_WAH_BRIGHT_DE_CLICKED },
-        (int)(1.0f * (1 << 10)),
+        static_cast<int>(1.0F * (1 << 10)),
         4,
         255,
         128,