Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

L0 : atm_cfg_t , atmr_cfg_t , cn2est_t , fractal_t , genatm_t , powfs_cfg_t , recon_t
L2 : recon_t
L2save : recon_t
last_report_time : sim_t
LGSfocus : sim_t
LGSfocus_drift : sim_t
lgsfocuslpf : sim_t
LGSfocusts : sim_t
LL : recon_t
llt : cupowfs_t , powfs_cfg_t , powfs_t
llt_ws : sim_t
lltimcc : cuwfs_t
lltncpa : cuwfs_t
lo : powfs_cfg_t
lo_blend : dbg_cfg_t
load : parms_t
loc : cuda_wfs::cuwfs_info , cupowfs_t , llt_t , plot_opts , powfs_t , pywfs_t
loc_dm : cuwfs_t , powfs_t
loc_tel : cuwfs_t , powfs_t
locfft : pywfs_t
locs : aper_t , load_cfg_t
locs_dm : aper_t
lopowfs : parms_t
lowfs_gtilt : recon_t
lp2 : ngsmod_t
lpfocushi : sim_cfg_t
lpfocuslo : sim_cfg_t
lpttm : sim_cfg_t
LR : recon_t
lrt_piston : fit_cfg_t
lrt_ptt : moao_cfg_t
lrt_tt : fit_cfg_t
lsr : gpu_cfg_t , parms_t
ltpm_cmd : sim_t
ltpm_lpf : sim_t
ltpm_real : sim_save_t , sim_t
ltpm_sho : sim_t