#include <stdio.h>
#include <ctype.h>
int main () {
int i = 0;
char c;
char str[] = "Tutorials Point";
while(str[i]) {
putchar (toupper(str[i]));
i++;
}
return(0);
}
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/tech/pnotes/265184.html