1 #include "apue.h" 2 #include <fcntl.h> 3 4 int main(void) 5 { 6 if(chdir("/home/zsf/book/unix/source_code/apue.3e/mycode/test") < 0) 7 err_sys("chdir failed"); 8 printf("success chdri to /home/zsf/book/unix/source_code/apue.3e/mycode/test"); 9 creat("hello",O_RDWR); 10 11 return 0; 12 } 13 ~