头文件 unistd.h ) { // file exists } else { // file doesn't exist } You can also use R_OK, W_OK, and X_OK in place of F_OK to check for read permission, write permission, and execute permission (respectively) rather than existence, and you can OR any of
sudo apt-get install eclipse 安装后打开eclipse,提示出错 An error has occurred. See the log file /home/pengeorge/.eclipse/org.eclipse.platform_3.7.0_155965261/configuration/1342406790169.log. 查看错误日志然后解决 打开log文件,看到以下的错误 !SESSION 2012-07-16 10:46:29.992 --------