scanf的用法

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本文链接： https://blog.csdn.net/ming2453755227/article/details/102606319

功能：
格式化标准输入，写入到内存单元中。
Reads data from stdin and stores them according to the parameter format into the locations pointed by the additional arguments.

/*scanf example */
#include <stdio.h>

int main()
{
	char str[80] = {0};
	int i = 0;
	
	printf("Enter your family name:\n");
	scanf("%79s", str);
	
	printf("Enter your age:\n");
	scanf("%d", &i);
	
	printf("Mr %s, %d years old \n", str, i);
	
	return 0;
}

输出

[root@localhost test]# ./demo 
Enter your family name:
ming
Enter your age:
11
Mr ming, 11 years old 
[root@localhost test]#