25 Feb
2008
25 Feb
'08
5:44 p.m.
Really this is pretty easy (this does NO error checking, and only accepts upper
case characters):
int hex (char ascii)
{
int value;
value = ascii - '0';
if (value > 9)
value += '0' - 'A' + 0x0A;
return value;
}
Improvements are left as an exercise for the reader/student.
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