#include <stdio.h>
#include <stdlib.h>
 
#define MAX_LEN 20
 
int main() {
    char text[][MAX_LEN] = {"hi","bye","kuku","Shalom"};
    int lines = sizeof(text)/sizeof(text[0]);
    char (*ptr)[MAX_LEN];
    for(ptr = text ; ptr < text+lines ; ptr++) {
    	char *firstLetter = *ptr;
        if(*firstLetter >= 'a' && *firstLetter <= 'z')
            *firstLetter -= ('a' - 'A');
    }
    for(ptr = text ; ptr < text+lines ; ptr++) {
        puts(*ptr);
    }
    return 0;
}

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