Search ('all' for everything):

Search results:
&pos — scanning position
&subject — subject of scanning
=s — match string in scanning
any — locate initial character
bal — locate balanced characters
find — find string
many — move scanning position
match — match initial string
move — move scanning position
pos — test scanning position
s ? expr — scan string
Span — span a set of characters
tab — set scanning position
upto — locate characters
v<–>v — exchange values reversibly
v<–x — assign value reversibly

Index of Function Types:
affects &pos
character sets
co-expressions
control structures
file processing
generators
infix operations
keywords
lists, sets and tables
math
metadata
output formatting
pattern matching
prefix operations
records
strings
windows and keyboards

Index of Subsystems:
base
digitcnt.icn
SNOBOL4 functions