execlp failed: No such file or directory ./shell>>quit ./shell>>quit $./shell ./shell>>abcd execlp execlp failed: No such file or directory ./shell>>quit ./shell>>quit 第一个和第二个案例都没问题,但第三个和第二个案例有点需要两个退出退出。这不是我所期待的。我猜fork()或waitpid()...
getuser:if((pw = getpwnam(user)) !=NULL) uid = pw->pw_uid;elseerrx(1,"no such user `%s'", user); } }if(chdir(argv[0]) ==-1|| chroot(".") ==-1) err(1,"%s", argv[0]);if(gids && setgroups(gids, gidlist) ==-1) err(1,"setgroups");if(group && setgid(gid) =...
The path argument points to a remote machine and the link to that machine is no longer active. ENOTDIR A component of the new process path of the file prefix is not a directory. The exec functions, except for execlp() and execvp(), will fail if: ENOEXEC The new process image file has...
is the filemagic number, which identifies the file type. The path name of the file to be executed is specified by thePathparameter. TheStringparameter is an optional character string that contains no tab or space characters. If specified, this string is passed to the new process as...