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30 .\" $Id: form_variables.3x,v 1.18 2024/03/16 15:35:01 tom Exp $
31 .TH form_variables 3X 2024-03-16 "ncurses @NCURSES_MAJOR@.@NCURSES_MINOR@" "Library calls"
39 \fB\%TYPE_REGEXP\fP \-
40 form system global variables
45 \fBFIELDTYPE * TYPE_ALNUM;
46 \fBFIELDTYPE * TYPE_ALPHA;
47 \fBFIELDTYPE * TYPE_ENUM;
48 \fBFIELDTYPE * TYPE_INTEGER;
49 \fBFIELDTYPE * TYPE_IPV4;
50 \fBFIELDTYPE * TYPE_NUMERIC;
51 \fBFIELDTYPE * TYPE_REGEXP;
54 These are building blocks for the form library,
55 defining fields that can be created using
56 the \fBform_fieldtype\fP(3X) functions.
57 Each provides functions for field- and character-validation,
58 according to the given datatype.
60 This holds alphanumeric data.
62 This holds alphabetic data.
64 This holds an enumerated type.
66 This holds a decimal integer.
68 This holds an IPv4 internet address, e.g., "127.0.0.1".
70 This holds a decimal number, with optional sign and decimal point.
72 This holds a regular expression.
74 The \fBTYPE_IPV4\fP variable is an extension not provided by older
75 implementations of the form library.