一些常见弦乐职能
图书馆标准包含许多有用的功能string.h操纵弦.一些最有用的功能已经为例.
strlen的功能
strlen的功能是用来确定长度一串.让我们学习与使用strlen例子:
#include <stdio.h>
#include <string.h>
int main()
{
char name[80];
int length;
printf("Enter your name: ");
gets(name);
length = strlen(name);
printf("Your name has %d characters\n", length);
return 0;
}
并执行该计划将如下:
Enter your name: Tarun Subhash Tyagi
Your name has 19 characters
Enter your name: Preeti Tarun
Your name has 12 characters |
strcpy的函数
strcpy拷贝的功能是用来给另一个人弦乐.让我们学习使用这一功能的例子:
#include <stdio.h>
#include <string.h>
int main()
{
char first[80];
char second[80];
printf("Enter first string: ");
gets(first);
printf("Enter second string: ");
gets(second);
printf("first: %s, and second: %s Before strcpy()\n "
, first, second);
strcpy(second, first);
printf("first: %s, and second: %s After strcpy()\n",
first, second);
return 0;
}
并计画将产出为:
Enter first string: Tarun
Enter second string: Tyagi
first: Tarun, and second: Tyagi Before strcpy()
first: Tarun, and second: Tarun After strcpy() |
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