diff --git a/lib/i386/rts/_ipc.s b/lib/i386/rts/_ipc.s
index a1993f47a..4d9191a08 100755
--- a/lib/i386/rts/_ipc.s
+++ b/lib/i386/rts/_ipc.s
@@ -1,12 +1,11 @@
 .sect .text; .sect .rom; .sect .data; .sect .bss
-.define __echo, __alert, __send, __nb_send, __receive, __nb_receive, __sendrec, __notify
+.define __echo, __notify, __send, __nb_send, __receive, __nb_receive, __sendrec 
 
 ! See src/kernel/ipc.h for C definitions
 SEND = 1
 RECEIVE = 2
 SENDREC = 3 
-NOTIFY = 16
-ALERT = 4
+NOTIFY = 4
 ECHO = 8
 NB_SEND = 1 + 16 		! flags 0x10 to prevent blocking 
 NB_RECEIVE = 2 + 16		! flags 0x10 to prevent blocking 
@@ -20,7 +19,7 @@ MESSAGE = 12			! message pointer
 !                           IPC assembly routines			  *
 !*========================================================================*
 ! all message passing routines save ebp, but destroy eax and ecx.
-.define __echo, __alert, __send, __nb_send, __receive, __nb_receive, __sendrec, __notify
+.define __echo, __notify, __send, __nb_send, __receive, __nb_receive, __sendrec 
 .sect .text
 __send:
 	push	ebp
@@ -83,23 +82,11 @@ __sendrec:
 	ret
 
 __notify:
-	push	ebp
-	mov	ebp, esp
-	push	ebx
-	mov	eax, SRC_DST(ebp)	! eax = dest-src
-	mov	ebx, MESSAGE(ebp)	! ebx = message pointer
-	mov	ecx, NOTIFY		! _notify(srcdest, ptr)
-	int	SYSVEC			! trap to the kernel
-	pop	ebx
-	pop	ebp
-	ret
-
-__alert:
 	push	ebp
 	mov	ebp, esp
 	push	ebx
 	mov	eax, SRC_DST(ebp)	! ebx = destination 
-	mov	ecx, ALERT		! _alert(srcdst)
+	mov	ecx, NOTIFY		! _notify(srcdst)
 	int	SYSVEC			! trap to the kernel
 	pop	ebx
 	pop	ebp
diff --git a/lib/syslib/sys_fork.c b/lib/syslib/sys_fork.c
index f57aaa3e7..b93734491 100755
--- a/lib/syslib/sys_fork.c
+++ b/lib/syslib/sys_fork.c
@@ -1,9 +1,8 @@
 #include "syslib.h"
 
-PUBLIC int sys_fork(parent, child, pid)
+PUBLIC int sys_fork(parent, child)
 int parent;			/* process doing the fork */
 int child;			/* which proc has been created by the fork */
-int pid;			/* process id assigned by MM */
 {
 /* A process has forked.  Tell the kernel. */
 
@@ -11,6 +10,5 @@ int pid;			/* process id assigned by MM */
 
   m.PR_PPROC_NR = parent;
   m.PR_PROC_NR = child;
-  m.PR_PID = pid;
   return(_taskcall(SYSTASK, SYS_FORK, &m));
 }
diff --git a/lib/syslib/sys_memset.c b/lib/syslib/sys_memset.c
index c1c98ab11..b0755f983 100644
--- a/lib/syslib/sys_memset.c
+++ b/lib/syslib/sys_memset.c
@@ -1,6 +1,6 @@
 #include "syslib.h"
 
-PUBLIC int sys_memset(char c, phys_bytes base, phys_bytes bytes)
+PUBLIC int sys_memset(unsigned long pattern, phys_bytes base, phys_bytes bytes)
 {
 /* Zero a block of data.  */
   message mess;
@@ -9,7 +9,7 @@ PUBLIC int sys_memset(char c, phys_bytes base, phys_bytes bytes)
 
   mess.MEM_PTR = (char *) base;
   mess.MEM_COUNT   = bytes;
-  mess.MEM_PATTERN = c;
+  mess.MEM_PATTERN = pattern;
 
   return(_taskcall(SYSTASK, SYS_MEMSET, &mess));
 }
diff --git a/lib/syslib/sys_setalarm.c b/lib/syslib/sys_setalarm.c
index 9b2bc5d8e..50f330271 100644
--- a/lib/syslib/sys_setalarm.c
+++ b/lib/syslib/sys_setalarm.c
@@ -3,8 +3,7 @@
 /*===========================================================================*
  *                               sys_setalarm		     	     	     *
  *===========================================================================*/
-PUBLIC int sys_setalarm(proc_nr, exp_time, abs_time)
-int proc_nr;		/* process to send SYN_ALARM message to */
+PUBLIC int sys_setalarm(exp_time, abs_time)
 clock_t exp_time;	/* expiration time for the alarm */
 int abs_time;		/* use absolute or relative expiration time */
 {
@@ -12,8 +11,6 @@ int abs_time;		/* use absolute or relative expiration time */
  * number can be SELF if the caller doesn't know its process number.
  */
     message m;
-
-    m.ALRM_PROC_NR = proc_nr;		/* receiving process */
     m.ALRM_EXP_TIME = exp_time;		/* the expiration time */
     m.ALRM_ABS_TIME = abs_time;		/* time is absolute? */
     return _taskcall(SYSTASK, SYS_SETALARM, &m);
diff --git a/lib/syslib/sys_sigreturn.c b/lib/syslib/sys_sigreturn.c
index 57afdf4d1..445c45198 100755
--- a/lib/syslib/sys_sigreturn.c
+++ b/lib/syslib/sys_sigreturn.c
@@ -3,17 +3,15 @@
 /*===========================================================================*
  *                                sys_sigreturn				     *
  *===========================================================================*/
-PUBLIC int sys_sigreturn(proc_nr, sig_ctxt, flags)
+PUBLIC int sys_sigreturn(proc_nr, sig_ctxt)
 int proc_nr;				/* for which process */
 struct sigmsg *sig_ctxt;		/* POSIX style handling */
-int flags;				/* flags for POSIX handling */
 {
     message m;
     int result;
 
     m.SIG_PROC = proc_nr;
     m.SIG_CTXT_PTR = (char *) sig_ctxt;
-    m.SIG_FLAGS = flags;
     result = _taskcall(SYSTASK, SYS_SIGRETURN, &m);
     return(result);
 }