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Why don’t C comments nest? How am I supposed to comment out code containing comments? Are comments legal inside quoted strings?
C comments don’t nest mostly because PL/I’s comments, which C’s are borrowed from, don’t either. Therefore, it is usually better to
comment out” large sections of code, which might contain comments, with #ifdef or #if 0 ).The character sequences /* and */ are not special within double-quoted strings, and do not therefore introduce comments, because a program (particularly one which is generating C code as output) might want to print them. (It is hard to imagine why anyone would want or need to place a comment inside a quoted string. It is easy to imagine a program needing to print “/*”.)
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