◄Description► ◄Example► ◄Up► ◄Contents► ◄Index► ◄Back► ──────────────────────────────────────────────────────────────────────────── Include: <io.h>, <errno.h> Syntax: int dup( int handle ); int dup2( int handle1, int handle2 ); Returns: (dup) a new handle if successful, or -1 if not. (dup2) 0 if successful, or -1 if not. errno: EBADF, EMFILE See also: close, creat, open -♦-