.TH FORM_VALUE 3 2025-10-09 0.5.0 "libweb Library Reference"

.SH NAME
form_value \- parse application/x-www-form-urlencoded data

.SH SYNOPSIS
.LP
.nf
#include <libweb/form.h>
.P
const char *form_value(const struct form *\fIf\fP, const char *\fIkey\fP);
.fi

.SH DESCRIPTION
The
.IR form_value (3)
function takes a
.I struct form
instance previously allocated by
.IR form_alloc (3),
pointed to by
.IR f ,
and returns the value for a given
.IR key .

.SH RETURN VALUE
On success, a valid pointer with the pair value is returned.
Otherwise, a null pointer is returned.

.SH EXAMPLE
See
.IR libweb_form (7)
for a complete example on how to use this library.

.SH SEE ALSO
.BR form_alloc (3),
.BR form_foreach (3),
.BR form_free (3),
.BR libweb_form (7).

.SH COPYRIGHT
Copyright (C) 2023-2025 libweb contributors
.P
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.