65 #  define Trace(x) fprintf x  argument
66 #  define Tracev(x) {if (verbose) fprintf x ;}  argument
67 #  define Tracevv(x) {if (verbose>1) fprintf x ;}  argument
68 #  define Tracec(c,x) {if (verbose && (c)) fprintf x ;}  argument
69 #  define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}  argument
72 #  define Trace(x)  argument
73 #  define Tracev(x)  argument
74 #  define Tracevv(x)  argument
75 #  define Tracec(c,x)  argument
76 #  define Tracecv(c,x)  argument
141 static void error(char *x)  in error()