All symbols starting with `y' in jagdoom

• y src/p_base.gas:57
• YELKEYY src/st_main.h:18
• yourFrags src/st_main.c:17
• YOURFRAGX src/st_main.h:34
• YOURFRAGY src/st_main.h:35
• yslope src/r_local.h:221