-PICO_INTERNAL void sound_reset(void);\r
-PICO_INTERNAL void sound_timers_and_dac(int raster);\r
-PICO_INTERNAL int sound_render(int offset, int length);\r
-PICO_INTERNAL void sound_clear(void);\r
+PICO_INTERNAL void PsndReset(void);\r
+PICO_INTERNAL void Psnd_timers_and_dac(int raster);\r
+PICO_INTERNAL int PsndRender(int offset, int length);\r
+PICO_INTERNAL void PsndClear(void);\r