sed: Can't open /usr/web/plan9/sources.html typedef struct Addr Addr; typedef struct Cmd Cmd; struct Addr { char type; /* # (char addr), l (line addr), / ? . $ + - , ; */ union{ String *re; Addr *aleft; /* left side of , and ; */ } g; Posn num; Addr *next; /* or right side of , and ; */ }; #define are g.re #define left g.aleft struct Cmd { Addr *addr; /* address (range of text) */ String *re; /* regular expression for e.g. 'x' */ union{ Cmd *cmd; /* target of x, g, {, etc. */ String *text; /* text of a, c, i; rhs of s */ Addr *addr; /* address for m, t */ } g; Cmd *next; /* pointer to next element in {} */ short num; ushort flag; /* whatever */ ushort cmdc; /* command character; 'x' etc. */ }; #define ccmd g.cmd #define ctext g.text #define caddr g.addr typedef struct Cmdtab Cmdtab; struct Cmdtab { ushort cmdc; /* command character */ uchar text; /* takes a textual argument? */ uchar regexp; /* takes a regular expression? */ uchar addr; /* takes an address (m or t)? */ uchar defcmd; /* default command; 0==>none */ uchar defaddr; /* default address */ uchar count; /* takes a count e.g. s2/// */ char *token; /* takes text terminated by one of these */ int (*fn)(File*, Cmd*); /* function to call with parse tree */ }cmdtab[]; enum Defaddr{ /* default addresses */ aNo, aDot, aAll, }; int nl_cmd(File*, Cmd*), a_cmd(File*, Cmd*), b_cmd(File*, Cmd*); int c_cmd(File*, Cmd*), cd_cmd(File*, Cmd*), d_cmd(File*, Cmd*); int D_cmd(File*, Cmd*), e_cmd(File*, Cmd*); int f_cmd(File*, Cmd*), g_cmd(File*, Cmd*), i_cmd(File*, Cmd*); int k_cmd(File*, Cmd*), m_cmd(File*, Cmd*), n_cmd(File*, Cmd*); int p_cmd(File*, Cmd*), q_cmd(File*, Cmd*); int s_cmd(File*, Cmd*), u_cmd(File*, Cmd*), w_cmd(File*, Cmd*); int x_cmd(File*, Cmd*), X_cmd(File*, Cmd*), plan9_cmd(File*, Cmd*); int eq_cmd(File*, Cmd*); String *getregexp(int); Addr *newaddr(void); Address address(Addr*, Address, int); int cmdexec(File*, Cmd*); sed: Can't open /usr/web/plan9/sources.html