C语言中字符串存储方法
众所周知,C语言中没有数据类型能够存储字符串,
char数据类型仅仅能够存储一个字符的数据,那么在C语言中关于存储字符串这一难题我们改何去何从呢?
下面将详述相关的字符串存储方法;
1,使用字符数组存;
[root@Qrui ruiy]#
#include<stdio.h>
int main(int argc,const char *argv[],const char **env[]) { char name[] = "qinrui";//定义一个字符数组,并初始化;
char *cPoint;//定义一个指针;
cPoint = name; //将指针指向数组; printf("%s\n",name);//使用指向数组的指针打印字符数组中的字符串;
printf("%c\n",name[]);//打印出字符数组的第5个字符,即u字符同上打印字符数组的第5个字符,但是使用的方法是指针的位偏移;
printf("%c\n",*(cPoint+));//作用
}
2,使用字符指针存储字符串;
#include<stdio.h>
int main(int argc,const char *argv[],const char **env[]) {
char *cPoint = "qinrui";
printf("%s\n",cPoint);
}
总结;从上面2中C语言中的字符串存储的方法可以看出,
使用字符数组可以打印字符串中的某个字符,但是字符指针却不可以,
3,可以把字符串a赋值给字符串b,但请注意字符串都是以\0结尾的;
字符指针变量指向格式字符串
char *format = "a = %d";
可以使用printf直接输出;
指针数组中每一个元素都是一个指针;其指向不同的区域,
指针相减得到 是相差的个数,而不是字节数;
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" 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