a) 31
b) 63
c) 12
d) 14
ISO C99 compiler may consider only first 63 characters for internal names.
a) 31
b) 6
c) 12
d) 14
ISO C99 compiler may consider only first 31 characters for external names.
a) int __a3;
b) int __3a;
c) int __A3;
d) None of the mentioned
None.
a) int _a3;
b) int a_3;
c) int 3_a;
d) int _3a;
Variable name cannot start with a digit.
a) It is not standardized
b) To avoid conflicts since assemblers and loaders use such names
c) To avoid conflicts since library routines use such names
d) To avoid conflicts with environment variables of an operating system
None.
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