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)