O. xml

Pre {border-style: solid; border-width: 1px; border-color: #000; line-Height: 1; color: #800016; font-size: 16px ;}. sysfunc {color: #566d68; font-style: italic; font-weight: bold ;}. selffuc {color: # f3e191 ;}. bool {color: # f6ac77 ;}. condition {color: # ff00ff; font-weight: bold ;}. key {color: # c1018f ;}. vaR {color: # 4e00ff; font-style: italic ;}. digit {color: #000080; font-weight: bold ;}. includepre {color: #160080 ;}. operator? {Color: #008000; font-weight: bold ;}

Function Name :? Open?

?? Yes :? Open a file for reading or writing?

Use ?? Method :? Int? Open (Char? * Pathname ,? Int? Access [,? Int? Permiss]);?

Program example :?

  
   #include?<string.h>?#include?<stdio.h>?#include?<fcntl.h>?#include?<io.h>?int?main(void)?{????int?handle;????char?msg[]?=?"Hello?world";????if?((handle?=?open("TEST.$$$",?O_CREAT?|?O_TEXT))?==?-1)????{???????perror("Error:");???????return?1;????}????write(handle,?msg,?strlen(msg));????close(handle);????return?0;?}?????
   
  

Function Name :? Outport?

?? Yes :? Output an integer to the hardware port?

Use ?? Method :? Void? Outport (Int? Port ,? Int? Value );?

Program example :?

  
   #include?<stdio.h>?#include?<dos.h>?int?main(void)?{????int?value?=?64;????int?port?=?0;????outportb(port,?value);????printf("Value?%d?sent?to?port?number?%d\n",?value,?port);????return?0;?}?????
   
  

Function Name :? Outportb?

?? Yes :? Output bytes to hardware port?

Use ?? Method :? Void? Outportb (Int? Port ,? Char? Byte );?

Program example :?

  
   #include?<stdio.h>?#include?<dos.h>?int?main(void)?{????int?value?=?64;????int?port?=?0;????outportb(port,?value);????printf("Value?%d?sent?to?port?number?%d\n",?value,?port);????return?0;?}?????
   
  

Function Name :? Outtext?

?? Yes :? Is a string displayed in the view area?

Use ?? Method :? Void? Far? Outtext (Char? Far? * Textstring );?

Program example :?

  
   #include?<graphics.h>?#include?<stdlib.h>?#include?<stdio.h>?#include?<conio.h>?int?main(void)?{????/*?request?auto?detection?*/????int?gdriver?=?DETECT,?gmode,?errorcode;????int?midx,?midy;????/*?initialize?graphics?and?local?variables?*/????initgraph(&gdriver,?&gmode,?"");????/*?read?result?of?initialization?*/????errorcode?=?graphresult();????if?(errorcode?!=?grOk)??/*?an?error?occurred?*/????{???????printf("Graphics?error:?%s\n",?grapherrormsg(errorcode));???????printf("Press?any?key?to?halt:");???????getch();???????exit(1);?/*?terminate?with?an?error?code?*/????}????midx?=?getmaxx()?/?2;????midy?=?getmaxy()?/?2;????/*?move?the?C.P.?to?the?center?of?the?screen?*/????moveto(midx,?midy);????/*?output?text?starting?at?the?C.P.?*/????outtext("This?");????outtext("is?");????outtext("a?");????outtext("test.");????/*?clean?up?*/????getch();????closegraph();????return?0;?}?????
   
  

Function Name :? Outtextxy?

?? Yes :? Is a string displayed at a specified position?

Use ?? Method :? Void? Far? Outtextxy (Int? X ,? Int? Y ,? Char? * Textstring );?

Program example :?

  
   #include?<graphics.h>?#include?<stdlib.h>?#include?<stdio.h>?#include?<conio.h>?int?main(void)?{????/*?request?auto?detection?*/????int?gdriver?=?DETECT,?gmode,?errorcode;????int?midx,?midy;????/*?initialize?graphics?and?local?variables?*/????initgraph(?&gdriver,?&gmode,?"");????/*?read?result?of?initialization?*/????errorcode?=?graphresult();????if?(errorcode?!=?grOk)??/*?an?error?occurred?*/????{???????printf("Graphics?error:?%s\n",?grapherrormsg(errorcode));???????printf("Press?any?key?to?halt:");???????getch();???????exit(1);?/*?terminate?with?an?error?code?*/????}????midx?=?getmaxx()?/?2;????midy?=?getmaxy()?/?2;????/*?output?text?at?the?center?of?the?screen*/????/*?Note:?the?C.P.?doesn‘t?get?changed.*/????outtextxy(midx,?midy,?"This?is?a?test.");????/*?clean?up?*/????getch();????closegraph();????return?0;?}??????????
   
  

Used in this article? Calligraphy and painting novel software? Released, the content has nothing to do with the software, and the painting and calligraphy novel software? More comfortable reading, more comfortable writing, and easier Publishing.

O. xml