;;C意味着Ctrl键 M意味着Meta键或Alt键 SPC表示空格键 RET表示回车键Enter DEL表示退格键BackSpace `就是TAB键上方,数字键1旁的键
;;TAB表示TAB键,tab表示输入,即大写字母组合表示的是按键,而小写字符串是输入的字符串(输入以RET结束)
‘C-x C-f 文件名’ —打开文件
‘C-x C-s’ —保存文件
‘C-x C-c’ —退出Emacs
‘C-z’ —从Emacs切换到别的应用程序
‘C-x 1′ —仅保留当前窗格
‘C-x 2′ —水平拆分当前窗格。
‘C-x o’ —将光标移到下方窗格,圆圈是字母不是数字。表示other
‘C-x k’ —关闭某个buffer,即缓存。
‘ESC ` f c’ —依次按这四个键可以关闭当前buffer
‘ESC x calendar’ —调用日历表
‘M-x calendar’ —调用日历表
‘M-x revert-buffer’ —重新载入buffer
‘M-x shell’ —调用外壳命令
‘M-x cd’ —转换目录
‘C-x d’ —编辑目录
‘M-x info’ —帮助信息
‘M-x TAB TAB’ —获取可执行的命令
‘M-x gdb’ —
‘M-SPC’ —把游标(即光标)附近的空格缩成一个。
‘M-;’ —产生右缩进的注释
‘M-x c-mode’ —启动C模式
‘M-x c-set-style’ —指定C模式的缩进格式,格式有:Linux、Python、BSD、Java、Stroustrup、GNU、cc-mode等,而按Tab键可以格式缩进当前行
‘M-x c-toggle-auto-stat’ —开启自动模式
‘C-c C-a’ —开启/关闭自动模式
‘C-c C-e’ —调用宏扩展
‘M-! etags [...]
Jun
26-08
Emacs的一些命令
Posted in ubuntu
Jun
11-08
C语言标准函数库
Posted in 推荐
<assert.h>
void assert(int expression);
Macro used for internal error detection. (Ignored if NDEBUG is defined where <assert.h> is included.) If expression equals zero, message printed on stderr and abort called to terminate execution. Source filename and line number in message are from preprocessor macros __FILE__ and __LINE__.
<ctype.h>
int isalnum(int c);
isalpha(c) or isdigit(c)
int isalpha(int c);
isupper(c) or islower(c)
int iscntrl(int c);
is [...]
Jun
10-08
c_backup
Posted in backup
#include
struct student {
int num;
char name[10];
char score[3][10];
}stu[5];
int main(){
void input(struct student stu[5]);
void output(struct student stu[5]);
input(stu);
output(stu);
return 0;
}
void input (struct student stu[5]){
int i = 0;
struct student (*p);
p = stu;
printf(”input num,name,score1,score2,score3:\n”);
while(i num,(p)->name,(p)->score[0],
(p)->score[1],(p)->score[2]);
i++;
p++;
}
}
void output (struct student stu[5]){
int i=0;
struct student (*p);
p = stu;
while( inum,(p)->name,(p)->score[0],
(p)->score[1],(p)->score[2]);
i++;
p++;
}
}
/*
#include h>
struct student {
int num;
char name[10];
char score[3][10];
}stu[5];
int main(){
void input(struct student stu[5]);
void output(struct student stu[5]);
input(stu);
output(stu);
return 0;
}
void input (struct student [...]
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