primitive fork and exit system calls

1 files changed, 14 insertions, 2 deletions

diff --git a/defs.h b/defs.h
index ec41bfe..ad51167 100644
--- a/defs.h
+++ b/defs.h
@@ -1,6 +1,7 @@
 // kalloc.c
 char *kalloc(int n);
 void kfree(char *cp, int len);
+void kinit(void);
 
 // console.c
 void cprintf(char *fmt, ...);
@@ -8,5 +9,16 @@ void panic(char *s);
 
 // proc.c
 struct proc;
-void setupsegs(struct proc *p);
-struct proc * newproc(struct proc *op);
+void setupsegs(struct proc *);
+struct proc * newproc(void);
+void swtch(void);
+
+// trap.c
+void tinit(void);
+
+// string.c
+void * memcpy(void *dst, void *src, unsigned n);
+void * memset(void *dst, int c, unsigned n);
+
+// syscall.c
+void syscall(void);