add system time, clean up pci into pci.sys, clean up syscall names, fix USERAPC1 typo

code/user/personalities/posix/posix_io.c

@@ -7,11 +7,11 @@
 #include "posix_path.h"
 
 __declspec(dllexport) void clearscreen(void) {
-    SysScreenClear(0x012456);
+    SysClearScreen(0x012456);
 }
 
 __declspec(dllexport) void clearkeyboard(void) {
-    while (SysKbPoll()) (void)SysKbReadChar();
+    while (SysPollKeyboard()) (void)SysReadKeyboardChar();
 }
 
 __declspec(dllexport) int open(const char* path, int flags, ...) {
@@ -64,7 +64,7 @@ __declspec(dllexport) ssize_t read(int fd, void* buf, size_t count) {
             // Read up to count chars from keyboard, blocking per char.
             char* dst = (char*)buf;
             for (size_t i = 0; i < count; i++) {
-                dst[i] = SysKbReadChar();
+                dst[i] = SysReadKeyboardChar();
                 if (dst[i] == '\n' || dst[i] == '\r') return (ssize_t)(i + 1);
             }
             return (ssize_t)count;
@@ -82,7 +82,7 @@ __declspec(dllexport) ssize_t read(int fd, void* buf, size_t count) {
         }
         case FD_SOCKET: {
             size_t got = 0;
-            uint32_t s = SysRecv(e->KHandle, buf, count, 0, &got);
+            uint32_t s = SysRecvSocket(e->KHandle, buf, count, 0, &got);
             if (s != 0) { errno = PosixStatusToErrno(s); return -1; }
             return (ssize_t)got;
         }
@@ -115,7 +115,7 @@ __declspec(dllexport) ssize_t write(int fd, const void* buf, size_t count) {
         }
         case FD_SOCKET: {
             size_t sent = 0;
-            uint32_t s = SysSend(e->KHandle, buf, count, 0, &sent);
+            uint32_t s = SysSendSocket(e->KHandle, buf, count, 0, &sent);
             if (s != 0) { errno = PosixStatusToErrno(s); return -1; }
             return (ssize_t)sent;
         }