개요

• 솔라나라에 설명된 어플리케이션에 대해 맨 페이지를 찾아 출력한다.
• MAN 페이지에 대한 설명은 윈디하나의 솔라나라: MAN 페이지을 참고하자.
• svcadm(1M)을 검색하려면 섹션에서 1M 을 선택하고, 맨 페이지 이름에 svcadm을 입력하고 검색을 누른다.

getmajor(9f)

getmajor(9F)                   Kernel Functions                   getmajor(9F)



NAME
       getmajor - get major device number

SYNOPSIS
       #include <sys/types.h>
       #include <sys/mkdev.h>
       #include <sys/ddi.h>

       major_t getmajor(dev_t dev);

INTERFACE LEVEL
       Architecture independent level 1 (DDI/DKI).

PARAMETERS
       dev    Device number.


DESCRIPTION
       The getmajor() function extracts the major number from a device number.

RETURN VALUES
       The major number.

CONTEXT
       The  getmajor()  function can be called from user, interrupt, or kernel
       context.

EXAMPLES
       Example 1 Using getmajor()



       The following example shows both the getmajor() and getminor(9F)  func‐
       tions  used  in  a  debug cmn_err(9F) statement to return the major and
       minor numbers for the device supported by the driver.

         dev_t dev;

         #ifdef DEBUG
         cmn_err(CE_NOTE,"Driver Started.  Major# = %d,
              Minor# = %d", getmajor(dev), getminor(dev));
         #endif


SEE ALSO
       cmn_err(9F), getminor(9F), makedevice(9F)


       Writing Device Drivers in Oracle Solaris 11.4

WARNINGS
       No validity checking is performed. If dev is invalid, an invalid number
       is returned.



Oracle Solaris 11.4               16 Jan 2006                     getmajor(9F)