字符串信歼败缓：char *p="string";
字符数组：char str[6] = {'滑枯冲s','t','r','i','n','g'};
C语言没有字符串类型，就是字符数组
char a[20]="hello";
string str;
char[32] strarry;
str="you are a goog man";
atrarry={'y','o','扮扮u',' ','a'碧耐,'r','e',' ','a',' ','g','o','o','d',' ','m','a'厅慧灶,'n'};