9
int f = open("/test", O_RDONLY, 0777);
11
printf("posix_fadvise: %d\n", posix_fadvise(f, 3, 2, POSIX_FADV_DONTNEED));
12
printf("errno: %d\n", errno);
16
printf("posix_fallocate: %d\n", posix_fallocate(f, 3, 2));
17
printf("errno: %d\n", errno);
19
printf("st_size: %d\n", s.st_size);
20
memset(&s, 0, sizeof s);
24
printf("posix_fallocate2: %d\n", posix_fallocate(f, 3, 7));
25
printf("errno: %d\n", errno);
27
printf("st_size: %d\n", s.st_size);
28
memset(&s, 0, sizeof s);