Declaration fixes and so on - for compilling with -Werror

--- src/daemon.c
+++ src/daemon.c
@@ -51,7 +51,8 @@
 
 int acceptloop(int sock)
 {
-	int	connect, pid, len;
+	int	connect, pid;
+	socklen_t len;
 	struct sockaddr_in client;
 
 	/*
--- src/ftp.c
+++ src/ftp.c
@@ -115,7 +115,7 @@ ftpcmd_t cmdtab[] = {
 
 unsigned get_interface_info(int pfd, char *ip, int max)
 {
-	int	size;
+	socklen_t	size;
 	unsigned int port;
 	struct sockaddr_in saddr;
 
@@ -133,7 +133,7 @@ unsigned get_interface_info(int pfd, char *ip, int max)
 
 int get_client_info(ftp_t *x, int pfd)
 {
-	int	size;
+	socklen_t	size;
 	struct sockaddr_in saddr;
 	struct in_addr *addr;
 	struct hostent *hostp = NULL;
@@ -274,7 +274,8 @@ int getc_fd(ftp_t *x, int fd)
 				}
 			else if (FD_ISSET(x->ch.active, &available)) {
 				if (x->ch.state == PORT_LISTEN) {
-					int	sock, adrlen;
+					int	sock;
+					socklen_t adrlen;
 					struct sockaddr_in adr;
 
 					earlyreported = 0;
@@ -509,12 +510,17 @@ char *cfgets(ftp_t *x, char *line, int size)
 int cfputs(ftp_t *x, char *line)
 {
 	char	buffer[310];
+	ssize_t len;
 
 	if (debug)
 		fprintf (stderr, ">>> CLI: %s\n", line);
 
 	snprintf (buffer, sizeof(buffer) - 2, "%s\r\n", line);
-	write(1, buffer, strlen(buffer));
+	len = strlen(buffer);
+	if (write(1, buffer, strlen(buffer)) != len) {
+		syslog(LOG_NOTICE, "-ERR: error writing to STDOUT, error= %s", strerror(errno));
+		exit (1);
+	};
 
 	return (0);
 }
@@ -767,7 +773,7 @@ int dopasv(ftp_t *x, char *command, char *par)
 	while (k > 0  &&  isdigit(line[k-1]) == 0)
 		k--;
 
-	if (isdigit(line[k-1])) {
+	if (k > 0 && isdigit(line[k-1])) {
 		line[k--] = 0;
 		while (k > 0  &&  (isdigit(line[k-1])  ||  line[k-1] == ','))
 			k--;
@@ -1823,7 +1829,7 @@ int proxy_request(config_t *config)
 				syslog(LOG_NOTICE, "%s %s: %ld bytes", x->ch.command, x->ch.filename, x->ch.bytes);
 
 				if (x->xlfp != NULL) {
-					unsigned long now;
+					time_t	 now;
 					char	date[80];
 
 					/*
--- src/lib.c
+++ src/lib.c
@@ -183,7 +183,7 @@ char *skip_ws(char *string)
 char *noctrl(char *buffer)
 {
 	int	len, i;
-	unsigned char *p;
+	char *p;
 
 	// TODO: Use iscntrl here. iscntrl(32) returns 0 so figure out why space is converted to null byte too.
 	if ((p = buffer) == NULL)
@@ -202,7 +202,7 @@ char *noctrl(char *buffer)
 char *get_word(char **from, char *to, int maxlen)
 {
 	unsigned int c;
-	unsigned char *p;
+	char *p;
 	int	k;
 
 	maxlen -= 2;