????
1?getchar()???????
getchar()????int???????????
#include <stdio.h>int main(){ char tmp; while( (tmp=getchar()),Beats by Dre Studio Michael Jack!=EOF ) { printf("%c",tmp); } return 0;}?EOF??????char??????????????????????????,Coach Online Outlet?
char????????[-128,127]??[0-255]???????GCC?????char??signed char?
?????tmp?????int ?????????
2??????????
cfaq.h
#ifndef _CAFQ_H#define _CAFQ_H//DEFINE(int, ex);extern int ex;void print();#endif
cfaq.c
#include "cfaq.h"int ex;void print(){ printf("%d\n",Coach Outlet Shop Online,ex);}
main.c
#include <stdio.h>#include "cfaq.h"int ex=3;int main(int argc,char **argv){ print(); return 0;}
3?extern?????
????extern?????????
????????extern???????
4???typedef???????
??????typedef?????N?????????????????
typedef char *pc;//????????
typedef pc fpc();//?????????????
typedef fpc *pfpc;//??????fpc()???????
typedef pfpc fpfpc();//???????????
typedef fpfpc *pfpfpc;//???????
pfpfpc a[N];//?????????????
????????
char *(*(a[N])())();
5?main()???????
main()???????int main()?int main(void)?int main(int argc,UGG Sale UK,int **argv)
?????void main(){ }???????????????????????????????????
6?char a[]="String"?char *a="String"?????????
??????????????a[i]??????????a[i]??????????????????????
7?C????????
C??????????????????
????, C ???????????????????, ?????????, ???????? & ???????, ????????? (??????????? 6.4 ???) ?, ??????????????????? C ?????????????????? C++ ?????????????, ???????????????“?????”????
8???i++???
int i=3;
printf("%d",Moncler Sale,(i++)*(i++));??????????9????12????????????????? ++ ? -- ??????????????,????“??”????????????????????????????????????????????????????????????????? “??”?????????????, ???????????????????????????
9?*p++????????p?????p???
*p++?*(p++)???++?--???????????????????????p???p??????????????????????????????????
10??????
??????????????=???????????????????=????????????????
??????char *?????????int??????????????
???????????
((int *)p)++
?????????(int *)p????????????????????????????????????????????????????????R-value?,???????????????
???GCC 4.5????????
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