题目内容
有以下程序，程序中库函数islower(ch)用以判断ch中的字母是否为小写字母
#include＜stdio．h＞
#include＜ctype．h＞
void fun(char *P)
{int i=0；
while(p[i])
{if(p[i]==‘ ’&&islower(p[i-1]))p[i-1]=p[i-1]=‘a’+‘A’；
i++；
}
}
main()
{char s1[100]=”ab cd EFG!”；
fun(a1)；printf(”％s＼n”，s1)；
}
程序运行后的输出结果是()。
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