416     int retval = mkdir(full_path, 0);  in shell_cmd_mkdir()  local
422     return retval;  in shell_cmd_mkdir()
445     int retval = rmdir(full_path);  in shell_cmd_rmdir()  local
446     if (retval != 0)  in shell_cmd_rmdir()
447         printf("Failed to remove %s, retval=%d\n", full_path, retval);  in shell_cmd_rmdir()
453     return retval;  in shell_cmd_rmdir()
467     int retval = 0;  in shell_cmd_rm()  local
478     retval = rm(full_path);  in shell_cmd_rm()
480     if (retval != 0)  in shell_cmd_rm()
481         printf("Failed to remove %s, retval=%d\n", full_path, retval);  in shell_cmd_rm()
486     return retval;  in shell_cmd_rm()
499     int retval = 0;  in shell_cmd_exec()  local
520             waitpid(pid, &retval, 0);  in shell_cmd_exec()
546     int retval = 0;  in shell_cmd_kill()  local
550         retval = -EINVAL;  in shell_cmd_kill()
553     retval = kill(atoi(argv[1]), SIGKILL);  in shell_cmd_kill()
556     return retval;  in shell_cmd_kill()
573     int retval = 0;  in shell_cmd_free()  local
576         retval = -EINVAL;  in shell_cmd_free()
582     retval = mstat(&mst);  in shell_cmd_free()
583     if (retval != 0)  in shell_cmd_free()
585         printf("Failed: retval=%d", retval);  in shell_cmd_free()
605     return retval;  in shell_cmd_free()