[C++知识库]C语言-大写字母查找

//统计字符串里面的大写字母
#include<stdio.h>//陈有乐15号
int main()
{
	int bigAlphaNum(char* s);//函数声明

	char* s = "ABre34#!EF3T";
	printf("大写字母个数：%d\n", bigAlphaNum(s));
	system("pause");
	return 0;
}
int  bigAlphaNum(char* s)
{
	int num = 0;
	do
	{
		if ((*s >= 'A' && *s <= 'Z'))
		{
			num++;
		}
	} while (*s++ != '\0');
	return num;
}