user:mgardne8:portfolio:notescrap
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Pointers
Grid - 1byte = 8bits
2^8 - 256
Int a; (43;44;45;46)
Int b; ( )
Int *c; (60;61;62;63;64;65;66;67;68)[Contains Adress for a(43;44;45;46)[* = Dereferencing operator]
|0|1|2|3|4|5|6|7|
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0| | | | | | | | |
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1| | | | | | | | |
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2| | | | | | | | |
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3| | | | | | | | |
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4| | | |a|a|a|a| |
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5| | | | | | | | |
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6|c|c|c|c|c|c|c|c|
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7| | | | | | | | |
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bc -l 2^8 = 256 2^16 = 65536 2^32 = 4294967296 2^64 = 18446744073709551616
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X64 0x0000000000000000
int = 4 bytes short = 2 bytes
user/mgardne8/portfolio/notescrap.1409666963.txt.gz · Last modified: 2014/09/02 10:09 by mgardne8