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getpagesize(2)
NAME
  getpagesize - Get the system page size

SYNOPSIS
  #include <unistd.h>

  int getpagesize
	  void );

STANDARDS
  Interfaces documented on this reference page conform to industry standards
  as follows:

  getpagesize(): XSH4.2, XSH5.0

  The getpagesize() is marked as a LEGACY interface in the XSH specification,
  which recommends that portable applications use sysconf() rather than
  getpagesize().

  Refer to the standards(5) reference page for more information about
  industry standards and associated tags.

DESCRIPTION
  The getpagesize() function returns the number of bytes in a page. You might
  need to include this value in parameters to memory management system calls.

  The page size is an operating system page size and might differ from the
  underlying hardware page size.

RETURN VALUES
  The getpagesize() function returns the number of bytes in a page, and is
  always successful.

SEE ALSO
  Functions: brk(2), getrlimit(2), madvise(2), mmap(2), mprotect(2),
  msync(2), munmap(2)

  Routines: sysconf(3)

  Standards: standards(5)

Index for Section 2

Alphabetical listing for G

Top of page