getdrivername

getdrivername函式名，意為返回指向包含當前圖形驅動程式名字的字元串指針。

基本介紹

• 外文名：getdrivername
• 功 能：程式名字的字元串指針
• 用 法：char *getdrivename
• 屬於：函式名

函式名

getdrivername

功 能

返回指向包含當前圖形驅動程式名字的字元串指針

用 法

char *getdrivename(void);

程式例

#include

#include

#include

#include

int main(void)

{

/* request auto detection */

int gdriver = DETECT, gmode, errorcode;

/* stores the device driver name */

char *drivername;

/* initialize graphics and local variables */

initgraph(&gdriver, &gmode, "");

/* read result of initialization */

errorcode = graphresult();

/* an error occurred */

if (errorcode != grOk)

{

printf("Graphics error: %s\n",

grapherrormsg(errorcode));

printf("Press any key to halt:");

getch();

/* terminate with an error code */

exit(1);

}

setcolor(getmaxcolor());

/* get name of the device driver in use */

drivername = getdrivername();

/* for centering text on the screen */

settextjustify(CENTER_TEXT, CENTER_TEXT);

/* output the name of the driver */

outtextxy(getmaxx() / 2, getmaxy() / 2,

drivername);

/* clean up */

getch();

closegraph();

return 0;

}