Lists functions in namespace, default current namespace.

q)f:g:h:{x+2*y}
q)\f
`f`g`h
q)\f .h
`cd`code`data`eb`ec`ed`es`estr`fram`ha`hb`hc`he`hn`hp`hr`ht`hta`htac`htc`html`http`hu`hu..
q){x where x like"ht??"}system"f .h"
`htac`html`http