getpagesize(2) System Calls Manual getpagesize(2) Name getpagesize - get system page size Syntax pagesize = getpagesize() int pagesize; Description The system call returns the number of bytes in a page. Page granularity is the granularity of many of the memory management calls. The page size is a system page size and may not be the same as the underlying hardware page size. See Also pagesize(1), sbrk(2) getpagesize(2)