#include // 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 #define my_getpagesize getpagesize #endif int main(void) { printf("%d\n", my_getpagesize()); return 0; }