69 #  define Trace(x) fprintf x  argument
70 #  define Tracev(x) {if (verbose) fprintf x ; }  argument
71 #  define Tracevv(x) {if (verbose > 1) fprintf x ; }  argument
72 #  define Tracec(c, x) {if (verbose && (c)) fprintf x ; }  argument
73 #  define Tracecv(c, x) {if (verbose > 1 && (c)) fprintf x ; }  argument
76 #  define Trace(x)  argument
77 #  define Tracev(x)  argument
78 #  define Tracevv(x)  argument
79 #  define Tracec(c, x)  argument
80 #  define Tracecv(c, x)  argument
164 static void error(char *x)  in error()