using functions

 #include <stdio.h>

#include <stdlib.h>


int main()

{



sayHi("mike", 20);

sayHi("john", 30);

sayHi("doe", 40);


return 0;


}


void sayHi(char name[], int age)

{

    printf("Say hi! %s, your age is %d\n", name, age);

}

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