Octal literals in C
When we initialize a value by putting ‘0’ before a number, the number is treated as octal. For instance ’10’ is read as 10 but ‘010’ is read as 8. Octal numbers are the numbers with base 8 and octal literals are used to represent the octal integer values
Input : 0101 Output : 65 Input : 01010 Output : 520
Examples of Octal Literals
x = 65
x = 16
As the octal number system only have 8 digits, we cannot use 8 and 9 numbers as a digit in octal literal.
Compiler Error : 8 is not a valid digit in octal number.
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