Provide sysarch(2) prototypes in the MD sysarch.h headers. While I'm

at it, use the ANSI C generic pointer type for the second argument,
thus matching the documentation.

Remove the now extraneous (and now conflicting) function declarations
in various libc sources.  Remove now unnecessary casts.

Reviewed by:	bde

5 files changed, 5 insertions, 15 deletions

diff --git a/lib/libc/i386/sys/i386_get_ioperm.c b/lib/libc/i386/sys/i386_get_ioperm.c
index 30c050c..7bc27f8 100644
--- a/lib/libc/i386/sys/i386_get_ioperm.c
+++ b/lib/libc/i386/sys/i386_get_ioperm.c
@@ -29,8 +29,6 @@ __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)
 {
@@ -41,7 +39,7 @@ i386_get_ioperm(unsigned int start, unsigned int *length, int *enable)
 	p.length = *length;
 	p.enable = *enable;
 
-	error = sysarch(I386_GET_IOPERM, (char *)&p);
+	error = sysarch(I386_GET_IOPERM, &p);
 
 	*length = p.length;
 	*enable = p.enable;
diff --git a/lib/libc/i386/sys/i386_get_ldt.c b/lib/libc/i386/sys/i386_get_ldt.c
index 2575c3e..73d7667 100644
--- a/lib/libc/i386/sys/i386_get_ldt.c
+++ b/lib/libc/i386/sys/i386_get_ldt.c
@@ -33,8 +33,6 @@ __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)
 {
@@ -44,5 +42,5 @@ i386_get_ldt(int start, union descriptor *descs, int num)
 	p.descs = descs;
 	p.num   = num;
 
-	return sysarch(I386_GET_LDT, (char *)&p);
+	return sysarch(I386_GET_LDT, &p);
 }
diff --git a/lib/libc/i386/sys/i386_set_ioperm.c b/lib/libc/i386/sys/i386_set_ioperm.c
index c9ad54e..258e2af 100644
--- a/lib/libc/i386/sys/i386_set_ioperm.c
+++ b/lib/libc/i386/sys/i386_set_ioperm.c
@@ -29,8 +29,6 @@ __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)
 {
@@ -40,5 +38,5 @@ i386_set_ioperm(unsigned int start, unsigned int length, int enable)
 	p.length = length;
 	p.enable = enable;
 
-	return (sysarch(I386_SET_IOPERM, (char *)&p));
+	return (sysarch(I386_SET_IOPERM, &p));
 }
diff --git a/lib/libc/i386/sys/i386_set_ldt.c b/lib/libc/i386/sys/i386_set_ldt.c
index 9693791..0bb109a 100644
--- a/lib/libc/i386/sys/i386_set_ldt.c
+++ b/lib/libc/i386/sys/i386_set_ldt.c
@@ -33,8 +33,6 @@ __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)
 {
@@ -44,5 +42,5 @@ i386_set_ldt(int start, union descriptor *descs, int num)
 	p.descs = descs;
 	p.num   = num;
 
-	return sysarch(I386_SET_LDT, (char *)&p);
+	return sysarch(I386_SET_LDT, &p);
 }
diff --git a/lib/libc/i386/sys/i386_vm86.c b/lib/libc/i386/sys/i386_vm86.c
index 16fe3b3..c007608 100644
--- a/lib/libc/i386/sys/i386_vm86.c
+++ b/lib/libc/i386/sys/i386_vm86.c
@@ -29,8 +29,6 @@ __FBSDID("$FreeBSD$");
 
 #include <machine/sysarch.h>
 
-extern int sysarch(int op, char *parms);
-
 int
 i386_vm86(int fcn, void *data)
 {
@@ -39,5 +37,5 @@ i386_vm86(int fcn, void *data)
 	p.sub_op = fcn;
 	p.sub_args = (char *)data;
 
-	return (sysarch(I386_VM86, (void *)&p));
+	return (sysarch(I386_VM86, &p));
 }