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//#define _XOPEN_SOURCE 500 #include "Python.h" #include <stdio.h> // Code for determining page size swiped from Python's mmapmodule.c #if defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE) static int my_getpagesize(void) { return sysconf(_SC_PAGESIZE); } #else #include <unistd.h> #define my_getpagesize getpagesize #endif int main(void) { printf("%d\n", my_getpagesize()); return 0; }