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+.TH HTML_NODE_ADD_ATTR 3 2023-09-24 0.1.0 "slweb Library Reference"
+
+.SH NAME
+html_node_add_attr \- add attribute to a HTML node
+
+.SH SYNOPSIS
+.LP
+.nf
+#include <slweb/html.h>
+.P
+int html_node_add_attr(struct html_node *\fIn\fP, const char *\fIattr\fP, const char *\fIval\fP);
+.fi
+
+.SH DESCRIPTION
+The
+.IR html_node_add_attr (3)
+function adds an attribute to a
+.I struct html_node
+object pointed to by
+.IR n ,
+previously returned by
+.IR html_node_alloc (3)
+or
+.IR html_node_add_child (3).
+.I attr
+is a null-terminated string with the name of the attribute.
+.I val
+is a null-terminated string with the value for the attribute.
+
+.I slweb
+allocates copies of the null-terminated strings defined by
+.I attr
+and
+.IR val .
+
+.SH RETURN VALUE
+On success,
+.IR html_node_add_attr (3)
+returns zero. On failure, a negative integer is returned.
+
+.SH EXAMPLE
+A
+.I struct html_node
+object with
+.B example
+as tag name, no value and
+.B name
+as its attribute with value
+.B john
+would be translated by the HTML
+serializer to:
+
+.PP
+.in +4n
+.EX
+<example name="john"/>
+.EE
+.in
+.PP
+
+.SH ERRORS
+No errors are defined.
+
+.SH SEE ALSO
+.BR html_node_alloc (3),
+.BR html_node_free (3),
+.BR html_node_set_value (3),
+.BR html_node_set_value_unescaped (3),
+.BR slweb_http (7).
+
+.SH COPYRIGHT
+Copyright (C) 2023 Xavier Del Campo Romero.
+.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.