18 char *shell_current_path = NULL;  variable
45         int cwd_len = strlen(shell_current_path);  in get_target_filepath()
54         strncpy(file_path, shell_current_path, cwd_len);  in get_target_filepath()
124     int current_dir_len = strlen(shell_current_path);  in shell_cmd_cd()
139         if (!strcmp("/", shell_current_path))  in shell_cmd_cd()
146             if (shell_current_path[index] == '/')  in shell_cmd_cd()
149         shell_current_path[index] = '\0';  in shell_cmd_cd()
177             free(shell_current_path);  in shell_cmd_cd()
179             shell_current_path = new_path;  in shell_cmd_cd()
181             shell_current_path[dest_len] = '\0';  in shell_cmd_cd()
208         strncpy(new_path, shell_current_path, current_dir_len);  in shell_cmd_cd()
216             free(shell_current_path);  in shell_cmd_cd()
219             shell_current_path = new_path;  in shell_cmd_cd()
246     struct DIR *dir = opendir(shell_current_path);  in shell_cmd_ls()
291     if (shell_current_path)  in shell_cmd_pwd()
292         printf("%s\n", shell_current_path);  in shell_cmd_pwd()