diff --git a/cmdline.c b/cmdline.c
index 7b4ae1d..a88448a 100644
--- a/cmdline.c
+++ b/cmdline.c
@@ -481,10 +481,11 @@ int cmdline_parser( int argc, char * const *argv, struct gengetopt_args_info *ar
 
 	if ( args_info->proxy_arg == NULL ) {
 		if ( ((tmp = getenv("http_proxy")) != NULL) || ((tmp = getenv("HTTP_PROXY")) != NULL) ) {
-			int r;
+			//int r;
 			char * temp;
 			temp = malloc( 56+1 );
-			r = sscanf( tmp, "http://%56[^/]/", temp );
+			sscanf( tmp, "http://%56[^/]/", temp );
+			//r = sscanf( tmp, "http://%56[^/]/", temp );
 //			message( "r = '%d'\ntemp = '%s'\n", r, temp);
 
 			args_info->proxy_given = 1;
diff --git a/ptstream.c b/ptstream.c
index 1e907f6..97af14f 100644
--- a/ptstream.c
+++ b/ptstream.c
@@ -145,7 +145,7 @@ int stream_copy(PTSTREAM *pts_from, PTSTREAM *pts_to) {
 /* Initiate an SSL handshake on this stream and encrypt all subsequent data */
 int stream_enable_ssl(PTSTREAM *pts) {
 #ifdef USE_SSL
-	SSL_METHOD *meth;
+	const SSL_METHOD *meth;
 	SSL *ssl;
 	SSL_CTX *ctx;
 	
diff --git a/readpassphrase.c b/readpassphrase.c
index 1870700..b107624 100644
--- a/readpassphrase.c
+++ b/readpassphrase.c
@@ -135,8 +135,13 @@ restart:
 		oterm.c_lflag |= ECHO;
 	}
 
-	if (!(flags & RPP_STDIN))
-		(void)write(output, prompt, strlen(prompt));
+	if (!(flags & RPP_STDIN)) {
+		ssize_t bytes_written = write(output, prompt, strlen(prompt));
+		if (bytes_written != strlen(prompt)) {
+			message("Error on writing bytes to prompt\n");
+		}
+	}
+
 	end = buf + bufsiz - 1;
 	for (p = buf; (nr = read(input, &ch, 1)) == 1 && ch != '\n' && ch != '\r';) {
 		if (p < end) {
@@ -153,8 +158,12 @@ restart:
 	}
 	*p = '\0';
 	save_errno = errno;
-	if (!(term.c_lflag & ECHO))
-		(void)write(output, "\n", 1);
+	if (!(term.c_lflag & ECHO)) {
+		ssize_t bytes_written = write(output, "\n", 1);
+		if (bytes_written != 1) {
+			message("Error writing one byte to prompt\n");
+		}
+	}
 
 	/* Restore old terminal settings and signals. */
 	if (memcmp(&term, &oterm, sizeof(term)) != 0) {