.TH "KDK_BLUETOOTH_GET_FEATURES" 3 "Fri Aug 25 2023" "Linux Programmer's Manual" \"
.SH NAME
kdk_bluetooth_get_features - 获取蓝牙的功能
.SH SYNOPSIS
.nf
.B #include <libkybluetooth.h>
.sp
.BI "extern char* kdk_bluetooth_get_features(int "id ");"
.sp
Link with \fI\-lkybluetooth\fP.
.SH "Detailed Description"
The main function of the interface is to obtain the features of Bluetooth.
.PP
The argument
.I id
is the device ID of Bluetooth.
.SH "RETURN VALUE"
On success, returns the Bluetooth features of type char*; The returned string needs to be released by
.I free
.PP
On error, return
.BR NULL.
.SH EXAMPLES
.EX
#include "libkybluetooth.h"
#include <stdio.h>
#include <stdlib.h>

int main()
{
    int i = 0;
    char *manufacturer = "\0";
    char *version = "\0";
    char *name = "\0";
    char *address = "\0";
    char *link_mode  ="\0"; 
    char *link_policy ="\0";
    char *scomtu = "\0";
    char *alcmtu = "\0";
    char *packettype = "\0";
    char *features = "\0";
    char *bus = "\0";
    int **id = kdk_bluetooth_get_device_id();
    do
    { 
        printf("id = %d\n",id[i]);
        manufacturer = kdk_bluetooth_get_manufacturer(i);
        printf("manufacturer: %s\n", manufacturer);
        free(manufacturer);
        version = kdk_bluetooth_get_dev_version(i);
        printf("version: %s\n", version);
        free(version);
        name = kdk_bluetooth_get_name(id[i]);
        printf("name: %s\n", name);
        address = kdk_bluetooth_get_address(id[i]);
        printf("address: %s\n", address);
        link_mode = kdk_bluetooth_get_link_mode(id[i]);
        printf("link_mode: %s\n", link_mode);
        link_policy = kdk_bluetooth_get_link_policy(id[i]);
        printf("link_policy: %s\n", link_policy);
        scomtu = kdk_bluetooth_get_scomtu(id[i]);
        printf("scomtu: %s\n", scomtu);
        alcmtu = kdk_bluetooth_get_alcmtu(id[i]);
        printf("alcmtu: %s\n", alcmtu);
        packettype = kdk_bluetooth_get_packettype(id[i]);
        printf("packettype: %s\n", packettype);
        features = kdk_bluetooth_get_features(id[i]);
        printf("features: %s\n", features);
        bus = kdk_bluetooth_get_bus(id[i]);
        printf("bus: %s\n", bus);
        i++;
    }while(id[i]);
    return 0;
} 

.SH "CONFORMING TO"
These functions are as per the withdrawn POSIX.1e draft specification.
The following functions are Linux extensions:
.BR kdk_bluetooth_get_device_id (),
.BR kdk_bluetooth_get_manufacturer (),
.BR kdk_bluetooth_get_dev_version (),
.BR kdk_bluetooth_get_name (),
.BR kdk_bluetooth_get_address (),
.BR kdk_bluetooth_get_link_mode (),
.BR kdk_bluetooth_get_link_policy (),
.BR kdk_bluetooth_get_bus (),
.BR kdk_bluetooth_get_scomtu (),
.BR kdk_bluetooth_get_alcmtu ()
and
.BR kdk_bluetooth_get_packettype ().
.SH "SEE ALSO"
.BR kdk_bluetooth_get_device_id (3),
.BR kdk_bluetooth_get_manufacturer (3),
.BR kdk_bluetooth_get_dev_version (3),
.BR kdk_bluetooth_get_name (3),
.BR kdk_bluetooth_get_address (3),
.BR kdk_bluetooth_get_link_mode (3),
.BR kdk_bluetooth_get_link_policy (3),
.BR kdk_bluetooth_get_bus (3),
.BR kdk_bluetooth_get_scomtu (3),
.BR kdk_bluetooth_get_alcmtu (3)
and
.BR kdk_bluetooth_get_packettype (3).