1. "#ifdef 0" is bad C. ifdef is for checking a macro and 0 is

an illegal macro name.  Correct syntax is "#if 0".  This is in...

From: Darren King <darrenk@insightdist.com>

src/backend/libpq/crypt.c

@@ -220,7 +220,7 @@ int crypt_getloginfo(const char* user, char** passwd, char** valuntil) {
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef 0
+#if 0
 MsgType crypt_salt(const char* user) {
 
   char*     passwd;

src/backend/port/getrusage.c

-/* $Id: getrusage.c,v 1.3 1997/12/19 13:34:27 scrappy Exp $ */
+/* $Id: getrusage.c,v 1.4 1998/02/01 00:02:59 scrappy Exp $ */
 
 #include <math.h>               /* for pow() prototype */
 
@@ -6,7 +6,7 @@
 #include "rusagestub.h"
 #include "port-protos.h"
 
-#ifdef 0 /* this is from univel port ... how does compiler define? */
+#if 0 /* this is from univel port ... how does compiler define? */
       /* same for i386_solaris port ... how does compiler define? */
       /* same for sco port ... how does compiler define? */
       /* same for sparc_solaris port ... how does compiler define? */
@@ -53,7 +53,7 @@ getrusage(int who, struct rusage * rusage)
 }
 #endif
 
-#ifdef 0 /* this is for hpux port ... how does compiler define? */
+#if 0 /* this is for hpux port ... how does compiler define? */
 getrusage(int who, struct rusage * ru)
 {
     return (syscall(SYS_GETRUSAGE, who, ru));

src/include/libpq/crypt.h

@@ -21,7 +21,7 @@ extern int        pwd_cache_count;
 
 extern char* crypt_getpwdfilename(void);
 extern char* crypt_getpwdreloadfilename(void);
-#ifdef 0
+#if 0
 extern MsgType crypt_salt(const char* user);
 #endif
 extern int crypt_verify(Port* port, const char* user, const char* pgpass);