c 字符串 转大写

2014-11-23 21:34:02 · 作者: · 浏览: 15
#include
#include
#include
#include

int main(void)
{
int length, i;
char string[20]= "this is a string";

length = strlen(string);
for (i=0; i {
string[i] = toupper(string[i]);
}

printf("%s\n",string);
system("pause");
return 0;
}