kernel: don't use typedef for enums or non-opaque structs

arch/user/stdcon.c

@@ -6,14 +6,14 @@
 #include <socks/vm.h>
 #include <socks/printk.h>
 
-static void stdcon_write(console_t *con, const char *s, unsigned int len)
+static void stdcon_write(struct console *con, const char *s, unsigned int len)
 {
 	for (unsigned int i = 0; i < len; i++) {
 		fputc(s[i], stdout);
 	}
 }
 
-static console_t stdcon = {
+static struct console stdcon = {
 	.c_name = "stdcon",
 	.c_flags = CON_BOOT,
 	.c_write = stdcon_write,