# include <stdio.h>
void myToUpper(char s[]){
int i;
for(i=0; s[i]!='\0'; i++){
if(s[i]>='a' && s[i]<='z'){
s[i]=s[i]-32;
}
}
}
int main(){
char s[100];
myToUpper(s);
return 0;
}
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