diff --git a/app.c b/app.c
index 592141c67272e205af0cac132603ff09087d046a..19a821ae717cc8716a62bbade2f4620adea7f727 100755
--- a/app.c
+++ b/app.c
@@ -497,7 +497,7 @@ int ast_play_and_wait(struct ast_channel *chan, char *fn)
 static int global_silence_threshold = 128;
 static int global_maxsilence = 0;
 
-int ast_play_and_record(struct ast_channel *chan, char *playfile, char *recordfile, int maxtime, char *fmt, int *duration, int silencethreshold, int maxsilence)
+int ast_play_and_record(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime, const char *fmt, int *duration, int silencethreshold, int maxsilence)
 {
 	char d, *fmts;
 	char comment[256];
diff --git a/include/asterisk/app.h b/include/asterisk/app.h
index f8f9d37dd795e7a6f041d7df9153976d6a167a49..1af21f3e875b10fa97367bd88ece1b48a9f0b066 100755
--- a/include/asterisk/app.h
+++ b/include/asterisk/app.h
@@ -67,7 +67,7 @@ int ast_play_and_wait(struct ast_channel *chan, char *fn);
 
 //! Record a file for a max amount of time (in seconds), in a given list of formats separated by '|', outputting the duration of the recording, and with a maximum
 //  permitted silence time in milliseconds of 'maxsilence' under 'silencethreshold' or use '-1' for either or both parameters for defaults.
-int ast_play_and_record(struct ast_channel *chan, char *playfile, char *recordfile, int maxtime_sec, char *fmt, int *duration, int silencethreshold, int maxsilence_ms);
+int ast_play_and_record(struct ast_channel *chan, const char *playfile, const char *recordfile, int maxtime_sec, const char *fmt, int *duration, int silencethreshold, int maxsilence_ms);
 
 //! Record a message and prepend the message to the given record file after playing the optional playfile (or a beep), storing the duration in 'duration' and with a maximum
 //  permitted silence time in milliseconds of 'maxsilence' under 'silencethreshold' or use '-1' for either or both parameters for defaults.
diff --git a/res/res_agi.c b/res/res_agi.c
index 88c259c0162886298cabb405effd05ba16c8f6e0..37a0421b7dd47423ee1c8e26e0f899c08e9384a8 100755
--- a/res/res_agi.c
+++ b/res/res_agi.c
@@ -121,7 +121,7 @@ static int launch_netscript(char *agiurl, char *argv[], int *fds, int *efd, int
 	struct pollfd pfds[1];
 	char *host;
 	char *c; int port = AGI_PORT;
-	char *script;
+	char *script="";
 	struct sockaddr_in sin;
 	struct hostent *hp;
 	struct ast_hostent ahp;