isalnum|isalnum
isalpha|isalpha
isascii|isascii
iscntrl|iscntrl
isdigit|isdigit
isgraph|isgraph
islower|islower
isprint|isprint
ispunct|ispunct
isspace|isspace
isupper|isupper
isxdigit|isxdigit
is_leap_year|is_leap_year
isabusprint|isabusprint
isonum_711|isonum_711
isonum_712|isonum_712
isonum_721|isonum_721
isonum_722|isonum_722
isonum_723|isonum_723
isonum_731|isonum_731
isonum_732|isonum_732
isonum_733|isonum_733
isodirino|isodirino
isochar|isochar
isofncmp|isofncmp
isofntrans|isofntrans
iso_shipdir|iso_shipdir
iso_uiodir|iso_uiodir
issignal|issignal
iskmemdev|iskmemdev
iskmemvp|iskmemvp