.TH "KDK_DISPLAY_GET_PHYSICAL_ID" 3 "Thu Aug 24 2023" "Linux Programmer's Manual" \"
.SH NAME
kdk_display_get_physical_id - 获取显卡的物理id
.SH SYNOPSIS
.nf
.B #include <libkydisplay.h>
.sp
.BI "extern char* kdk_display_get_physical_id();"
.sp
Link with \fI\-lkyhw\fP.
.SH "Detailed Description"
The main function of the interface is to obtain the physical ID of the Video card
.SH "RETURN VALUE"
On success, returns the physical ID of the Video card of type char*; The returned string needs to be released by
.I free
.PP
On error, return
.BR NULL.
.SH EXAMPLES
.EX
#include "libkydisplay.h"
#include <stdio.h>

int main()
{
    char *vendor = kdk_display_get_vendor();
    printf("生产厂商：%s\en", vendor);
    free(vendor);
    char *product = kdk_display_get_product();
    printf("型号：%s\en", product);
    free(product);
    char *description = kdk_display_get_description();
    printf("设备类型：%s\en", description);
    free(description);
    char *id = kdk_display_get_physical_id();
    printf("物理id：%s\en", id);
    free(id);
    char *bus = kdk_display_get_bus_info();
    printf("总线地址：%s\en", bus);
    free(bus);
    char *version = kdk_display_get_version();
    printf("设备版本：%s\en", version);
    free(version);
    char *width = kdk_display_get_width();
    printf("数据宽度：%s\en", width);
    free(width);
    char *clock = kdk_display_get_clock();
    printf("频率：%s\en", clock);
    free(clock);
    char *capabilities = kdk_display_get_capabilities();
    printf("功能：%s\en", capabilities);
    free(capabilities);
    char *configuration = kdk_display_get_configuration();
    printf("配置：%s\en", configuration);
    free(configuration);
    char *resources = kdk_display_get_resources();
    printf("资源：%s\en", resources);
    free(resources);
    return 0;
} 

.SH "CONFORMING TO"
These functions are as per the withdrawn POSIX.1e draft specification.
The following functions are Linux extensions:
.BR kdk_display_get_vendor (),
.BR kdk_display_get_product (),
.BR kdk_display_get_description (),
.BR kdk_display_get_bus_info (),
.BR kdk_display_get_version (),
.BR kdk_display_get_width (),
.BR kdk_display_get_clock (),
.BR kdk_display_get_capabilities (),
.BR kdk_display_get_configuration ()
and
.BR kdk_display_get_resources ().
.SH "SEE ALSO"
.BR kdk_display_get_vendor (3),
.BR kdk_display_get_product (3),
.BR kdk_display_get_description (3),
.BR kdk_display_get_bus_info (3),
.BR kdk_display_get_version (3),
.BR kdk_display_get_width (3),
.BR kdk_display_get_clock (3),
.BR kdk_display_get_capabilities (3),
.BR kdk_display_get_configuration (3)
and
.BR kdk_display_get_resources (3).