use setjmp.h, rather than our prototypes

1 files changed, 2 insertions, 3 deletions

diff --git a/jbwrap.h b/jbwrap.h
index a31ef19..7d0358b 100644
--- a/jbwrap.h
+++ b/jbwrap.h
@@ -1,3 +1,5 @@
+#include <setjmp.h>
+
 /* certain braindamaged environments don't define jmp_buf as an array, so... */
 
 struct Jbwrap {
@@ -5,6 +7,3 @@ struct Jbwrap {
 };
 
 extern Jbwrap slowbuf; /* for getting out of interrupts while performing slow i/o on BSD */
-
-extern int setjmp(jmp_buf);
-extern void longjmp(jmp_buf, int);