Section 6: Built-In Functions                                               

This section will be a treasure trove for many script writers.  Every single
built-in function is described here; every helpfile shows exactly what each
function takes in and what they spit out.

Client State Information: cexist chanwin curpos currchans epic fnexist geom
   getsets igmask igtype info irclib isconnected iscurchan lastserver
   mychannels myservers pid ppid querywin rigmask rigtype servername
   servernick servernum servports status userhost winbound winchan winlevel
   winnam winnicklist winnum winrefs winserv winsize winvisible

Server State Information: chanmode channel chanusers chops ischannel ischanop
   ischanvoice key nochops notify numonchannel onchannel usermode version

System Information: getenv getgid getlogin getpgrp getuid uname

Time Functions: stime strftime tdiff tdiff2 time utime

Pattern Matching: common copattern deuhc diff filter mask match pattern
   regcomp regerror regex regexec regfree rfilter rmatch rpattern uhc

Character Operations: ascii chr isalpha isdigit isnumber jot nohighlight
   pass printlen split strip stripansi stripansicodes stripc tolower toupper

String Operations: after before center chop count cparse decode encode
   index left leftpc mid msar pad repeat rest reverse right rindex sar strlen
   substr tr

Word Operations: afterw beforew chngw findw fromw insertw leftw midw notw
   numwords remw remws restw revw rightw tow uniq word

Variable Operations: pop push shift splice unshift

Array Operations: delarray delitem finditem getarrays getitem getmatches
   getrmatches gettmatch ifindfirst ifinditem igetitem igetmatches igetrmatches
   indextoitem itemtoindex matchitem numarrays numitems rmatchitem setitem

File Operations: chmod close eof fexist fsize ftime glob mkdir open randread
   read renme rmdir twiddle umask unlink which write writeb

Network Operations: connect convert iptoname listen nametoip

Miscellaneous: aliasctl crypt pipe rand srand trunc