A. * (asterisk)
B. | (pipeline)
C. – (hyphen)
D. _ (underscore)
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A. * (asterisk)
B. | (pipeline)
C. – (hyphen)
D. _ (underscore)
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D. _ (underscore)
Variable names in C are made up of letters (upper and lower case) and digits. The underscore character (“_”) is also permitted. Names must not begin with a digit.
Examples of valid (but not very descriptive) C variable names:
=> foo
=> Bar
=> BAZ
=> foo_bar
=> _foo42
=> _
=> QuUx