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
CDF
Chdir到收藏夹目录。
$ pwd
/home/user/work/projects/first
$ cdf -a first
(save the path of current directory with label "first")
$ cd
$ pwd
/home/user
$ cdf first
(chdir to the directory labeled "first")
$ pwd
/home/user/work/projects/first
用法
usage:
