Module registry
wslapi
wslapi.h "adjacent" registry keys to fill in where wslapi.h is missing functionality
Get the DistributionNames of all registered WSL distributions from HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Lxss\{...}\DistributionName
DistributionName
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Lxss\{...}\DistributionName