From: Jan Engelhardt <jengelh@inai.de>
Date: 2015-03-25 18:25:22.663262139 +0100

rpmlint:
W: alpine implicit-pointer-decl dmail.c:160
W: alpine implicit-pointer-decl mlock.c:114
W: alpine implicit-pointer-decl tmail.c:168
E: alpine no-return-in-nonvoid-function imap.c:2790

gcc:
dmail.c:160:5: warning: implicit declaration of function 'isdigit' [-Wimplicit-function-declaration]
mlock.c:114:5: warning: implicit declaration of function 'time' [-Wimplicit-function-declaration]
tmail.c:168:7: warning: implicit declaration of function 'isdigit' [-Wimplicit-function-declaration]
imap.c:2790:1: warning: control reaches end of non-void function [-Wreturn-type]
---
 alpine/imap.c          |    1 +
 imap/src/dmail/dmail.c |    1 +
 imap/src/mlock/mlock.c |    1 +
 imap/src/tmail/tmail.c |    1 +
 4 files changed, 4 insertions(+)

Index: alpine-2.20/alpine/imap.c
===================================================================
--- alpine-2.20.orig/alpine/imap.c
+++ alpine-2.20/alpine/imap.c
@@ -2786,6 +2786,7 @@ if(F_OFF(F_DISABLE_PASSWORD_FILE_SAVING,
     return(want_to(_("Preserve password on DISK for next login"), 
 		   'y', 'x', NO_HELP, WT_NORM)
 	   == 'y');
+return 0;
 #endif /* PASSFILE */
 }
 
Index: alpine-2.20/imap/src/dmail/dmail.c
===================================================================
--- alpine-2.20.orig/imap/src/dmail/dmail.c
+++ alpine-2.20/imap/src/dmail/dmail.c
@@ -24,6 +24,7 @@
  * 
  */
 
+#include <ctype.h>
 #include <stdio.h>
 #include <pwd.h>
 #include <errno.h>
Index: alpine-2.20/imap/src/mlock/mlock.c
===================================================================
--- alpine-2.20.orig/imap/src/mlock/mlock.c
+++ alpine-2.20/imap/src/mlock/mlock.c
@@ -32,6 +32,7 @@
 #include <stdio.h>
 #include <sysexits.h>
 #include <syslog.h>
+#include <time.h>
 #include <grp.h>
 #include <sys/types.h>
 #include <sys/file.h>
Index: alpine-2.20/imap/src/tmail/tmail.c
===================================================================
--- alpine-2.20.orig/imap/src/tmail/tmail.c
+++ alpine-2.20/imap/src/tmail/tmail.c
@@ -23,6 +23,7 @@
  *
  */
 
+#include <ctype.h>
 #include <stdio.h>
 #include <pwd.h>
 #include <errno.h>