VariablesWhich of the following is not a valid C variable name?Optionsint number;int variable_count;float rate;int $main;
Question
VariablesWhich of the following is not a valid C variable name?Optionsint number;int variable_count;float rate;int $main;
Solution
The variable name that is not valid in C is int $main;. In C, variable names cannot start with a special character like $. They can only start with a letter (either uppercase or lowercase) or an underscore.
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