编程学习网为您整理以下代码实例,主要实现:将输入作为字符流读取,直到遇到isupper和islower函数的EOF。,希望可以帮到各位朋友。
#include <stdio.h>
#include <ctype.h>
int main(voID)
{
int ch;
unsigned long uct = 0;
unsigned long lct = 0;
unsigned long oct = 0;
while ((ch = getchar()) != EOF)
if (isupper(ch))
uct++;
else if (islower(ch))
lct++;
else
oct++;
printf("%lu uppercase characters read\n", uct);
printf("%lu lowercase characters read\n", lct);
printf("%lu other characters read\n", oct);
return 0;
}
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