.TH GETPAGESIZE 2 "18 July 1983" .UC 4 .SH NAME getpagesize \- get system page size .SH SYNOPSIS .nf .ft B pagesize = getpagesize() int pagesize; .ft R .fi .SH DESCRIPTION .I Getpagesize returns the number of bytes in a page. Page granularity is the granularity of many of the memory management calls. .PP The page size is a .I system page size and may not be the same as the underlying hardware page size. .SH SEE ALSO sbrk(2), pagesize(1)