Eliminate 61 warnings emitted at WARNS=2 (leaving 53 to go).

Only warnings that could be fixed without changing the generated object
code and without restructuring the source code have been handled.

Reviewed by:	/sbin/md5

6 files changed, 11 insertions, 0 deletions

diff --git a/lib/libc/i386/gen/signalcontext.c b/lib/libc/i386/gen/signalcontext.c
index 9d51b73..a66e2db 100644
--- a/lib/libc/i386/gen/signalcontext.c
+++ b/lib/libc/i386/gen/signalcontext.c
@@ -34,6 +34,7 @@ __FBSDID("$FreeBSD");
 #include <machine/psl.h>
 #include <machine/sigframe.h>
 #include <signal.h>
+#include <strings.h>
 
 __weak_reference(__signalcontext, signalcontext);
 
diff --git a/lib/libc/i386/sys/i386_get_ioperm.c b/lib/libc/i386/sys/i386_get_ioperm.c
index 5fe245a..30c050c 100644
--- a/lib/libc/i386/sys/i386_get_ioperm.c
+++ b/lib/libc/i386/sys/i386_get_ioperm.c
@@ -29,6 +29,8 @@ __FBSDID("$FreeBSD$");
 
 #include <machine/sysarch.h>
 
+extern int sysarch(int op, char *parms);
+
 int
 i386_get_ioperm(unsigned int start, unsigned int *length, int *enable)
 {
diff --git a/lib/libc/i386/sys/i386_get_ldt.c b/lib/libc/i386/sys/i386_get_ldt.c
index ec95d99..2575c3e 100644
--- a/lib/libc/i386/sys/i386_get_ldt.c
+++ b/lib/libc/i386/sys/i386_get_ldt.c
@@ -33,6 +33,8 @@ __FBSDID("$FreeBSD$");
 #include <machine/segments.h>
 #include <machine/sysarch.h>
 
+extern int sysarch(int op, char *parms);
+
 int
 i386_get_ldt(int start, union descriptor *descs, int num)
 {
diff --git a/lib/libc/i386/sys/i386_set_ioperm.c b/lib/libc/i386/sys/i386_set_ioperm.c
index f23881d..c9ad54e 100644
--- a/lib/libc/i386/sys/i386_set_ioperm.c
+++ b/lib/libc/i386/sys/i386_set_ioperm.c
@@ -29,6 +29,8 @@ __FBSDID("$FreeBSD$");
 
 #include <machine/sysarch.h>
 
+extern int sysarch(int op, char *parms);
+
 int
 i386_set_ioperm(unsigned int start, unsigned int length, int enable)
 {
diff --git a/lib/libc/i386/sys/i386_set_ldt.c b/lib/libc/i386/sys/i386_set_ldt.c
index 756d49d..9693791 100644
--- a/lib/libc/i386/sys/i386_set_ldt.c
+++ b/lib/libc/i386/sys/i386_set_ldt.c
@@ -33,6 +33,8 @@ __FBSDID("$FreeBSD$");
 #include <machine/segments.h>
 #include <machine/sysarch.h>
 
+extern int sysarch(int op, char *parms);
+
 int
 i386_set_ldt(int start, union descriptor *descs, int num)
 {
diff --git a/lib/libc/i386/sys/i386_vm86.c b/lib/libc/i386/sys/i386_vm86.c
index 6abff2d..16fe3b3 100644
--- a/lib/libc/i386/sys/i386_vm86.c
+++ b/lib/libc/i386/sys/i386_vm86.c
@@ -29,6 +29,8 @@ __FBSDID("$FreeBSD$");
 
 #include <machine/sysarch.h>
 
+extern int sysarch(int op, char *parms);
+
 int
 i386_vm86(int fcn, void *data)
 {