1 /*-
36   register int c, n, v;  in __sccl()  local
42       v = 1;			/* default => accept */  in __sccl()
46     v = 0;			/* default => reject */  in __sccl()
49     tab[n] = v;  in __sccl()
51     return fmt - 1;		/* format ended before closing ] */  in __sccl()
57    * The first character may be ']' (or '-') without being special; the  in __sccl()
58    * last character may be '-'.  in __sccl()
61   v = 1 - v;  in __sccl()
64       tab[c] = v;		/* take character c */  in __sccl()
71 	  return fmt - 1;  in __sccl()
73 	case '-':  in __sccl()
75 	   * A scanset of the form [01+-] is defined as `the digit 0, the  in __sccl()
76 	   * digit 1, the character +, the character -', but the effect of a  in __sccl()
77 	   * scanset such as [a-zA-Z0-9] is implementation defined.  The V7  in __sccl()
78 	   * Unix scanf treats `a-z' as `the letters a through z', but treats  in __sccl()
79 	   * `a-a' as `the letter a, the character -, and the letter a'.  in __sccl()
81 	   * For compatibility, the `-' is not considerd to define a range if  in __sccl()
89 	      c = '-';  in __sccl()
95 	      tab[++c] = v;  in __sccl()
101 	   * as [a-c-e] as `the letters a through e'. This too  in __sccl()
108 	    return fmt - 1;  in __sccl()