void copyAndPrint(char a[],char b[])
{
int j=0;
for(int i=0;i
if(a[i]=='a'||a[i]=='A'||a[i]=='e'||a[i]=='E'||a[i]=='i'||a[i]=='I'||a[i]=='o'||a[i]=='O'||a[i]=='u'||a[i]=='U')
{
b[j]=a[i];
j++;
}
}
b[j]='\0'; //字符串必须以\0结尾
printf("%s",b);
}