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.

Time Functions: stime strftime tdiff tdiff2 time utime

Pattern Matching: match pattern
   regcomp regerror regex regexec regfree rmatch rpattern

Character Operations: ascii chr 

String Operations: after before cparse index left mid msar right rindex sar
   strchr strrchr

Word Operations: afterw beforew findw insertw leftw midw
   numwords restw rightw

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

Miscellaneous: aliasctl
