undef EXPR undef Undefines the value of EXPR, which must be an lvalue. Use only on a scalar value, an array

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truncate FILEHANDLE,LENGTH truncate EXPR,LENGTH Truncates the file opened on FILEHANDLE, or named by EXPR

accept NEWSOCKET,GENERICSOCKET Accepts an incoming socket connect, just as accept(2) does. Returns the packed address if it succeeded, false

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crypt PLAINTEXT,SALT Creates a digest string exactly like the crypt(3) function in the C library (assuming that you actually have a version

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