ttyprintf         335 process.c          ttyprintf("dup(%d) => %d\n", oldfd, ret);
ttyprintf         344 process.c          ttyprintf("dup2(%d, %d) => %d\n", oldfd, newfd, ret);
ttyprintf         353 process.c          ttyprintf("cloexec_dup(%d) => %d\n", oldfd, ret);
ttyprintf         362 process.c          ttyprintf("cloexec_dup2(%d, %d) => %d\n", oldfd, newfd, ret);
ttyprintf         371 process.c          ttyprintf("close(%d) => %d\n", fd, ret);
ttyprintf         380 process.c          ttyprintf("parent_open(\"%s\", 0x%x, 0%o) => %d\n", pathname, flags, perm, ret);
ttyprintf         389 process.c          ttyprintf("parent_close(%d) => %d\n", fd, ret);