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Last update Mon Aug 22 2005
D
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object

std
 std.base64
 std.boxer
 std.compiler
 std.conv
 std.ctype
 std.date
 std.file
 std.format
 std.gc
 std.intrinsic
 std.math
 std.md5
 std.mmfile
 std.openrj
 std.outbuffer
 std.path
 std.process
 std.random
 std.recls
 std.regexp
 std.socket
 std.socketstream
 std.stdint
 std.stdio
 std.cstream
 std.stream
 std.string
 std.system
 std.thread
 std.uri
 std.utf
 std.zip
 std.zlib

std.windows

std.linux

std.c
 std.c.stdio

std.c.windows

std.c.linux

std.ctype

int isalnum(dchar c)
Returns !=0 if c is a letter or a digit.

int isalpha(dchar c)
Returns !=0 if c is an upper or lower case letter.

int iscntrl(dchar c)
Returns !=0 if c is a control character.

int isdigit(dchar c)
Returns !=0 if c is a digit.

int isgraph(dchar c)
Returns !=0 if c is a printing character except for the space character.

int islower(dchar c)
Returns !=0 if c is lower case.

int isprint(dchar c)
Returns !=0 if c is a printing character or a space.

int ispunct(dchar c)
Returns !=0 if c is a punctuation character.

int isspace(dchar c)
Returns !=0 if c is a space, tab, vertical tab, form feed, carriage return, or linefeed.

int isupper(dchar c)
Returns !=0 if c is an upper case character.

int isxdigit(dchar c)
Returns !=0 if c is a hex digit (0..9, a..f, A..F).

int isascii(dchar c)
Returns !=0 if c is in the ascii character set.

dchar tolower(dchar c)
If c is upper case, return the lower case equivalent, otherwise return c.

dchar toupper(dchar c)
If c is lower case, return the upper case equivalent, otherwise return c.

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