使用mmap匿名映射时出现的宏未定义
anonymouse_mmap.c: In function ‘main’:anonymouse_mmap.c:27:73: error: ‘MAP_ANO’ undeclared (first use in this function) char* mm = mmap(NULL, MAPSIZE, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANO, -1, 0);
