c语言库函数大全--资料收集 Turbo C 2.0 函数中文说明大全 分类函数,所在函数库为ctype.h int isalpha(int ch) 若ch是字母('A'-'Z','a'-'z')返回非0值,否则返回0 int isalnum(int ch) 若ch是字母('A'-'Z','a'-'z')或数字('0'-'9'),返回非0值,否则返回0 int isascii(int ch) 若ch是字符(ASCII码中的0-127)返回非0值,否则返回0 int iscntrl(int ch
Stephen Rago's update is a long overdue benefit to the community of professionals using the versatile family of UNIX and UNIX-like operating environments. It removes obsolescence and includes newer developments. It also thoroughly updates the contex
代码如下:
[rootweb-server php]# /etc/init.d/httpd restart
shell-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory
该错误表示 getcwd 命令无法定位到当前工作目录。一般来说是因为你 cd 到了某个目录之后 rm 了这个目录,这时去执行某些 service 脚本的时候就会