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#code
#include<stdio.h>
int main()
{
char str[20], *s;
printf("Enter a string\n");
scanf("%s", str);
s=str;
while(*s != '\0')
{
if(*s >= 97 && *s <= 122)
*s = *s-32;
s++;
}
printf("%s",str);
return 0;
}
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