In the global interface table:
[wine] / dlls / winmm / wineaudioio /
drwxr-xr-x   ..
-rw-r--r-- 54 .cvsignore
-rw-r--r-- 320 Makefile.in
-rw-r--r-- 73542 audio.c
-rw-r--r-- 2795 audioio.c
-rw-r--r-- 138 wineaudioio.drv.spec