getpagesize(2)getpagesize(2)NAMEgetpagesize - Get the system page size
SYNOPSIS
#include <unistd.h>
int getpagesize
void );
STANDARDS
Interfaces documented on this reference page conform to industry stan‐
dards as follows:
getpagesize(): XSH4.2, XSH5.0
The getpagesize() is marked as a LEGACY interface in the XSH specifica‐
tion, 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)getpagesize(2)
