sequence points are real and indirection is bad

uttt.c

@@ -31,7 +31,7 @@ const struct ut_state ut_initial = {
 
 struct ut_socket_buffer {
 	int fd;
-	char *buf;
+	char buf[128];
 	size_t len;
 	size_t start;
 	size_t stop;
@@ -408,7 +408,7 @@ int ut_cursgetpos(const struct ut_state *state, int *r, int *c)
 #define P(r, c, d) ((state->playBoard == -1 || state->playBoard == 3 * (r / 3) + (c / 3)) && \
 	            (state->boards[r / 3][c / 3] == '\0' || d % 3 == 1))
 	MEVENT event;
-	mvaddstr(21, 0, "Select move with arrow keys or mouse.");
+	ut_cursprintf("Select move with arrow keys or mouse.\n");
 	if(state->playBoard == -1)
 	{
 		*r = 3 * (*r / 3) + 1;
@@ -526,7 +526,7 @@ int ut_cursgetpos(const struct ut_state *state, int *r, int *c)
 	return true;
 }*/
 
-int getpos_net(const struct ut_state *state, struct ut_socket_buffer *sockbuf, int *x, int *y) { // TODO
+int ut_sockgetpos(const struct ut_state *state, struct ut_socket_buffer *sockbuf, int *x, int *y) { // TODO
 	const int MAX_LINE_LEN = 128;
 	char byte;
 	int n;
@@ -600,7 +600,7 @@ int ut_network_game(struct ut_state *state, struct ut_socket_buffer *sockbuf, ch
 				ut_dprintf(sockbuf->fd, "|\n"); // aligns game board each turn
 				ut_dprintf(sockbuf->fd, "| Place token %c in position x,y: ", ut_turn(player));
 			}
-			int err = getpos_net(state, sockbuf, &x, &y);
+			int err = ut_sockgetpos(state, sockbuf, &x, &y);
 			if (err == -1) {
 				printf("Connection closed.\n");
 				return 1;
@@ -648,8 +648,7 @@ char ut_random_player(void) {
 int ut_host_game(struct ut_state *state) {
 	int sock = socket(AF_INET, SOCK_STREAM, 0);
 	if (sock == -1) {
-		int errsv = errno;
-		printf("error %d\n", errsv);
+		printf("error %d\n", errno);
 		return 1;
 	}
 	const struct sockaddr_in addr = {
@@ -659,20 +658,17 @@ int ut_host_game(struct ut_state *state) {
 	};
 	setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &(int){1}, sizeof(int));
 	if (bind(sock, (struct sockaddr*)&addr, sizeof(addr)) == -1) {
-		int errsv = errno;
-		printf("error %d\n", errsv);
+		printf("error %d\n", errno);
 		return 1;
 	}
 	if (listen(sock, 128) == -1) {
-		int errsv = errno;
-		printf("error %d\n", errsv);
+		printf("error %d\n", errno);
 		return 1;
 	}
 	printf("Waiting for game partner at 127.0.0.1:6669 ...\n");
 	int conn = accept(sock, NULL, NULL);
 	if (conn == -1) {
-		int errsv = errno;
-		printf("error %d\n", errsv);
+		printf("error %d\n", errno);
 		return 1;
 	}
 
@@ -684,7 +680,7 @@ int ut_host_game(struct ut_state *state) {
 
 	struct ut_socket_buffer connbuf = {
 		.fd = conn,
-		.buf = (char[128]){0},
+		.buf = {0},
 		.len = 128,
 		.start = 0,
 		.stop = 0,
@@ -695,8 +691,7 @@ int ut_host_game(struct ut_state *state) {
 int ut_join_game(struct ut_state *state) {
 	int sock = socket(AF_INET, SOCK_STREAM, 0);
 	if (sock == -1) {
-		int errsv = errno;
-		printf("error %d\n", errsv);
+		printf("error %d\n", errno);
 		return 1;
 	}
 	const struct sockaddr_in addr = {
@@ -705,7 +700,11 @@ int ut_join_game(struct ut_state *state) {
 		.sin_addr = { .s_addr = htonl(0x7f000001) },
 	};
 	printf("Connecting to game host at 127.0.0.1:6669 ...\n");
-	connect(sock, (struct sockaddr*)&addr, sizeof(addr));
+	if(connect(sock, (struct sockaddr*)&addr, sizeof(addr)) == -1)
+	{
+		printf("error %d\n", errno);
+		return 1;
+	}
 
 	// host decides X or O
 	char player_buf[2];
@@ -717,7 +716,7 @@ int ut_join_game(struct ut_state *state) {
 
 	struct ut_socket_buffer sockbuf = {
 		.fd = sock,
-		.buf = (char[128]){0},
+		.buf = {0},
 		.len = 128,
 		.start = 0,
 		.stop = 0,