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-rw-r--r--call/call.c2
-rw-r--r--call/call.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/call/call.c b/call/call.c
index f7a7770..2f606bd 100644
--- a/call/call.c
+++ b/call/call.c
@@ -79,7 +79,7 @@ static char *mycall;
static int stdin_is_tty = 1;
-int interrupted = FALSE;
+volatile int interrupted = FALSE;
int paclen;
int fd;
diff --git a/call/call.h b/call/call.h
index b7723d7..2a91364 100644
--- a/call/call.h
+++ b/call/call.h
@@ -5,7 +5,7 @@
#define TRUE 1
#endif
extern int fd;
-extern int interrupted;
+extern volatile int interrupted;
extern int paclen;
/* In call.c */