Replaced all instances of struct sockaddr with struct sockaddr_storage, since it can fit v6 addresses as well. Cast values accordingly.

easysock.c

@@ -60,14 +60,14 @@ SOCKET create_socket(int network, char transport) {
 }
 
 
-int create_addr(int network, const char* address, int port,struct sockaddr* dest) {
+int create_addr(int network, const char* address, int port,struct sockaddr_storage* dest) {
 	if (network == 4) {
 		struct sockaddr_in listen_address;
 		
 		listen_address.sin_family = AF_INET;
 		listen_address.sin_port = htons(port);
 		inet_pton(AF_INET,address,&listen_address.sin_addr);
-		memcpy(dest,&listen_address,sizeof(listen_address));
+		memcpy((struct sockaddr *)dest,&listen_address,sizeof(listen_address));
 		return 0;	
 
 	} else if (network == 6) {
@@ -75,7 +75,7 @@ int create_addr(int network, const char* address, int port,struct sockaddr* dest
 		listen_ipv6.sin6_family = AF_INET6;
 		listen_ipv6.sin6_port = htons(port);
 		inet_pton(AF_INET6,address,&listen_ipv6.sin6_addr);
-		memcpy(dest,&listen_ipv6,sizeof(listen_ipv6));
+		memcpy((struct sockaddr_in6 *)dest,&listen_ipv6,sizeof(listen_ipv6));
 		return 0;
 
 	} else {
@@ -84,7 +84,7 @@ int create_addr(int network, const char* address, int port,struct sockaddr* dest
 		
 }
 
-SOCKET create_local (int network, char transport, const char* address, int port,struct sockaddr* addr_struct) {
+SOCKET create_local (int network, char transport, const char* address, int port,struct sockaddr_storage* addr_struct) {
 	int socket = create_socket(network,transport);
 	if (socket < 0) {
 		return (-1 * errno);
@@ -103,14 +103,14 @@ SOCKET create_local (int network, char transport, const char* address, int port,
 	This should be set to the size of 'sockaddr_in' for IPv4, and 'sockaddr_in6' for IPv6.
 	See https://stackoverflow.com/questions/73707162/socket-bind-failed-with-invalid-argument-error-for-program-running-on-macos */
 
-	int i = bind (socket,addr_struct,(socklen_t)addrlen);
+	int i = bind (socket,(struct sockaddr *)addr_struct,(socklen_t)addrlen);
 	if (i < 0) {
 		return (-1 * errno);
 	}
 	return socket;
 }
 
-SOCKET create_remote (int network,char transport, const char* address,int port,struct sockaddr* remote_addr_struct) {
+SOCKET create_remote (int network,char transport, const char* address,int port,struct sockaddr_storage* remote_addr_struct) {
 
 	struct addrinfo hints;  /* Used to tell getaddrinfo what kind of address we want */
 	struct addrinfo* results; /* Used by getaddrinfo to store the addresses */

includes/easysock.h

@@ -47,7 +47,7 @@ and dest is a pointer to the sockaddr struct that will be filled in.
 The function returns with -202 if the network parameter contained neither '4'
 nor '6'. */
 
-int create_addr(int network, const char* address, int port,struct sockaddr* dest);
+int create_addr(int network, const char* address, int port,struct sockaddr_storage* dest);
 
 
 
@@ -57,7 +57,7 @@ same as above.
 
 It prints the error returned by 'bind' if something went wrong, and returns ( -1 * errno ).*/
 
-SOCKET create_local (int network, char transport, const char* address, int port,struct sockaddr* addr_struct);
+SOCKET create_local (int network, char transport, const char* address, int port,struct sockaddr_storage* addr_struct);
 
 
 /* This function utilizes the same functions as 'create_local' but _connects_ to the
@@ -66,7 +66,7 @@ as above. This function needs an empty 'sockaddr *' structure passed to it, whic
 
 If something goes wrong, this function returns with ( -1 * errno ). */
 
-SOCKET create_remote (int network,char transport, const char* address,int port,struct sockaddr* remote_addr_struct);
+SOCKET create_remote (int network,char transport, const char* address,int port,struct sockaddr_storage* remote_addr_struct);
 
 /* check_ip_ver - This function checks if the given string is an IPv4 address (returns 4), 
 IPv6 address (returns 6) or neither (returns -1). */