HelenOS sources

lc_for             99 uspace/app/sbi/src/lex.c 	{ lc_for,	"for" },
lc_for           1112 uspace/app/sbi/src/parse.c 	case lc_for:
lc_for           1321 uspace/app/sbi/src/parse.c 	lmatch(parse, lc_for);
HelenOS homepage, sources at GitHub