1274880Sbapt#include <sys/types.h> 2274880Sbapt#include <sys/mman.h> 3274880Sbapt#include <stddef.h> 4274880Sbapt 5274880Sbaptint 6274880Sbaptmain(void) 7274880Sbapt{ 8274880Sbapt return(MAP_FAILED != mmap(NULL, 1, PROT_READ, MAP_SHARED, -1, 0)); 9274880Sbapt} 10