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.\" ========================================================================
.\"
.IX Title "doc::unibi_add_ext_num 3"
.TH doc::unibi_add_ext_num 3 "2020-04-04" "unibilium-2.1.0" "unibilium"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
unibi_add_ext_bool, unibi_add_ext_num, unibi_add_ext_str \- add extended capabilities to a terminal object
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <unibilium.h>
\&
\& size_t unibi_add_ext_bool(unibi_term *ut, const char *t, int b);
\& size_t unibi_add_ext_num(unibi_term *ut, const char *t, int v);
\& size_t unibi_add_ext_str(unibi_term *ut, const char *t, const char *s);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Add an extended boolean, numeric, or string capability with the specified
name and value.
.PP
Note that these functions simply store any pointers they are given. They will
not free \fIt\fR or \fIs\fR or copy any strings.
.SH "RETURN VALUE"
.IX Header "RETURN VALUE"
The return value is the index of the new capability, which can be used in
\&\fBunibi_get_ext_bool\fR\|(3), \fBunibi_set_ext_bool\fR\|(3), etc. If an error occurs,
\&\f(CW\*(C`SIZE_MAX\*(C'\fR is returned.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBunibilium.h\fR\|(3),
\&\fBunibi_del_ext_bool\fR\|(3),
\&\fBunibi_del_ext_num\fR\|(3),
\&\fBunibi_del_ext_str\fR\|(3)