some more HLE functions

src/Emulator/HLE/Libraries/LibC/libc.cpp

@@ -26,4 +26,6 @@ int PS4_SYSV_ABI memcmp(const void* s1, const void* s2, size_t n) { return std::
 
 void* PS4_SYSV_ABI memcpy(void* dest, const void* src, size_t n) { return std::memcpy(dest, src, n); }
 
+void* PS4_SYSV_ABI memset(void* s, int c, size_t n) { return std::memset(s, c, n); }
+
 };  // namespace Emulator::HLE::Libraries::LibC

src/Emulator/HLE/Libraries/LibC/libc.h

@@ -12,4 +12,5 @@ PS4_SYSV_ABI void exit(int code);
 PS4_SYSV_ABI int atexit(void (*func)());
 int PS4_SYSV_ABI memcmp(const void* s1, const void* s2, size_t n);
 void* PS4_SYSV_ABI memcpy(void* dest, const void* src, size_t n);
+void* PS4_SYSV_ABI memset(void* s, int c, size_t n);
 }  // namespace Emulator::HLE::Libraries::LibC

src/Emulator/HLE/Libraries/LibUserService/user_service.cpp

@@ -0,0 +1,5 @@
+#include "user_service.h"
+
+namespace Emulator::HLE::Libraries::LibUserService {
+void libUserService_Register(SymbolsResolver* sym) {}
+};  // namespace Emulator::HLE::Libraries::LibUserService

src/Emulator/HLE/Libraries/LibUserService/user_service.h

@@ -0,0 +1,6 @@
+#pragma once
+#include "Core/PS4/Loader/SymbolsResolver.h"
+
+namespace Emulator::HLE::Libraries::LibUserService {
+void libUserService_Register(SymbolsResolver* sym);
+};