// Determine the larger value of two parameters
void Larger(char,char*,char);

char cVal1 = 'G';
char cVal2 = '0';
char cVal3;

store the larger of cVal1 and cVal2 into cVal3




Larger(cVal1,&cVal3,cVal2);
or 
Larger(cVal2,&cVal3,cVal1);

param 2 is the only param that is not pass by value
so the only way the function could pass data back to the caller
would be via param 2 , since it takes a pointer we will pass the
address of cVal3 by preceeding it with the & operator




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