Why do variable names beginning with the underscore is not encouraged?

Related MCQs

• Which of the following is true for variable names in C?
• Variable name resolution (number of significant characters for the uniqueness of variable) depends on ___________
• Which of the following is not a valid variable name declaration?
• Which of the following is not a valid variable name declaration?
• Which of the following is not a valid C variable name?
• Which keyword is used to prevent any changes in the variable within a C program?
• A variable declared in a function can be used in main().
• What is the scope of an external variable?
• Which header file includes a function for variable number of arguments?
• Which of the following macro extracts an argument from the variable argument list (ie ellipsis) and advance the pointer to the next argument?