Fix (2nd time) round for:

    #define S "//foo"
	#define S "/*foo"
    #define S(s) "s"

Reference: /n/sources/patch/applied/macbody-cheese
Date: Fri Feb 11 06:04:11 CET 2005

--- /sys/src/cmd/cc/macbody	Fri Feb 11 06:01:36 2005
+++ /sys/src/cmd/cc/macbody	Fri Feb 11 06:01:34 2005
@@ -173,6 +173,7 @@
 	Sym *s, *a;
 	char *args[NARG], *np, *base;
 	int n, i, c, len;
+	int ischr;
 
 	s = getsym();
 	if(s == S)
@@ -209,6 +210,7 @@
 			c = getnsc();
 	base = hunk;
 	len = 1;
+	ischr = 0;
 	for(;;) {
 		if(isalpha(c) || c == '_') {
 			np = symb;
@@ -232,6 +234,25 @@
 			base = allocn(base, len, 2);
 			base[len++] = '#';
 			base[len++] = 'a' + i;
+			continue;
+		}
+		if (c == '"' || c == '\'') {
+			base = allocn(base, len, 1);
+			base[len++] = c;
+			ischr = !ischr;
+			c = getc();
+			continue;
+		}
+		if (ischr) {
+			base = allocn(base, len, 1);
+			if (c == '\\') { 
+				base[len++] = c;
+				c = getc();
+				base = allocn(base, len, 1);
+			}
+
+			base[len++] = c;
+			c = getc();
 			continue;
 		}
 		if(c == '/') {