EXT:DOSEQ
For iteration through a sequence, a macro EXT:DOSEQ, similar to DOLIST, may be used instead of MAP:
DOLIST
MAP
(EXT:DOSEQ (variable seqform [resultform]) {declaration}* {tag|form}*)
variable
seqform
resultform
declaration
tag
form
EXT:DOSEQ forms are iteration forms.