GETPAGESIZE Section: Linux Programmer's Manual (2) Updated: 23 July 2025 Index   NAME getpagesize - get system page size   SYNOPSIS #include <unistd.h> size_t getpagesize(void);   DESCRIPTION Return the number of bytes in a page. This is the system's page size, which is not necessarily the same as the hardware page size.   NOTES getpagesize is implemented as a library function in DLL 4.4.1. Depending on what is defined when the library is compiled, this function returns EXEC_PAGESIZE (set to 4096 in Linux 0.99.11), NBPG (set to 4096 in Linux 0.99.11), or NBPC (not defined in Linux 0.99.11 or DLL 4.4.1 libraries).   CONFORMING TO SVr4, 4.4BSD (this call first appeared in 4.2BSD).   SEE ALSO   Index NAME SYNOPSIS DESCRIPTION NOTES CONFORMING TO SEE ALSO This document was created by using the manual pages. Time: 11:56:05 GMT, March 24, 2025