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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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NAME | SYNOPSIS | DESCRIPTION | PORTABILITY | SEE ALSO | COLOPHON |
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form_variables(3X) form_variables(3X)
TYPE_ALNUM, TYPE_ALPHA, TYPE_ENUM, TYPE_INTEGER, TYPE_IPV4,
TYPE_NUMERIC, TYPE_REGEXP - form system global variables
#include <form.h>
FIELDTYPE * TYPE_ALNUM;
FIELDTYPE * TYPE_ALPHA;
FIELDTYPE * TYPE_ENUM;
FIELDTYPE * TYPE_INTEGER;
FIELDTYPE * TYPE_IPV4;
FIELDTYPE * TYPE_NUMERIC;
FIELDTYPE * TYPE_REGEXP;
These are building blocks for the form library, defining fields
that can be created using the form_fieldtype(3X) functions. Each
provides functions for field- and character-validation, according
to the given datatype.
TYPE_ALNUM
This holds alphanumeric data.
TYPE_ALPHA
This holds alphabetic data.
TYPE_ENUM
This holds an enumerated type.
TYPE_INTEGER
This holds a decimal integer.
TYPE_IPV4
This holds an IPv4 internet address, e.g., "127.0.0.1".
TYPE_NUMERIC
This holds a decimal number, with optional sign and decimal
point.
TYPE_REGEXP
This holds a regular expression.
The TYPE_IPV4 variable is an extension not provided by older im‐
plementations of the form library.
form(3X).
This page is part of the ncurses (new curses) project. Informa‐
tion about the project can be found at
⟨https://www.gnu.org/software/ncurses/ncurses.html⟩. If you have
a bug report for this manual page, send it to
[email protected]. This page was obtained from the
project's upstream Git mirror of the CVS repository
⟨https://github.com/mirror/ncurses.git⟩ on 2024-06-14. (At that
time, the date of the most recent commit that was found in the
repository was 2023-03-12.) If you discover any rendering
problems in this HTML version of the page, or you believe there
is a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
[email protected]
form_variables(3X)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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