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45 lines
1.3 KiB
Plaintext
45 lines
1.3 KiB
Plaintext
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'\" t
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.TH form_field_userptr 3X ""
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.SH NAME
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\fBform_field_userptr\fR - associate application data with a form field
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.SH SYNOPSIS
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\fB#include <form.h>\fR
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.br
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int set_field_userptr(FIELD *field, const void*userptr);
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.br
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const void *field_userptr(const FIELD *field);
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.br
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.SH DESCRIPTION
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Every form field has a field that can be used to hold application-specific data
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(that is, the form-driver code leaves it alone). These functions get and set
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that field.
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.SH RETURN VALUE
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The function \fBfield_userptr\fR returns \fBNULL\fR on error. The function
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\fBset_field_userptr\fR returns one of the following:
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.TP 5
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\fBE_OK\fR
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The routine succeeded.
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.TP 5
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\fBE_SYSTEM_ERROR\fR
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System error occurred (see \fBerrno\fR).
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.SH SEE ALSO
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\fBcurses\fR(3X), \fBform\fR(3X).
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.SH NOTES
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The header file \fB<form.h>\fR automatically includes the header file
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\fB<curses.h>\fR.
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.SH PORTABILITY
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These routines emulate the System V forms library. They were not supported on
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Version 7 or BSD versions.
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The user pointer should be a void pointer. We leave it as a char pointer for
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SVr4 compatibility.
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.SH AUTHORS
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Juergen Pfeifer. Manual pages and adaptation for new curses by Eric
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S. Raymond.
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.\"#
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.\"# The following sets edit modes for GNU EMACS
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.\"# Local Variables:
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.\"# mode:nroff
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.\"# fill-column:79
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.\"# End:
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