Load and save repl history.

* parser.c (repl): If a HOME environment variable
exists, then load the .txr_history file from the user's home
directory and save it when exiting.

* sysif.c (getenv_wrap): Static function changed to extern.

* sysif.h (getenv_wrap): Declared.

1 files changed, 1 insertions, 1 deletions

diff --git a/sysif.c b/sysif.c
index 5197d337..1d858820 100644
--- a/sysif.c
+++ b/sysif.c
@@ -671,7 +671,7 @@ static val pipe_wrap(void)
 
 #endif
 
-static val getenv_wrap(val name)
+val getenv_wrap(val name)
 {
   char *nameu8 = utf8_dup_to(c_str(name));
   char *lookup = getenv(nameu8);