diff --git a/src/Core/PS4/HLE/LibC.cpp b/src/Core/PS4/HLE/LibC.cpp
index c98fe2da..3e72f1af 100644
--- a/src/Core/PS4/HLE/LibC.cpp
+++ b/src/Core/PS4/HLE/LibC.cpp
@@ -95,6 +95,18 @@ PS4_SYSV_ABI void* _Znwm(u64 count) {
     return ptr;
 }
 
+float PS4_SYSV_ABI _Fsin(float arg) { return std::sinf(arg); }
+
+typedef int(PS4_SYSV_ABI* pfunc_QsortCmp)(const void*, const void*);
+thread_local static pfunc_QsortCmp compair_ps4;
+
+int qsort_compair(const void* arg1, const void* arg2) { return compair_ps4(arg1, arg2); }
+
+void PS4_SYSV_ABI qsort(void* ptr, size_t count,size_t size, int(PS4_SYSV_ABI* comp)(const void*, const void*)) {
+    compair_ps4 = comp;
+    std::qsort(ptr, count, size, qsort_compair);
+}
+
 void LibC_Register(SymbolsResolver* sym) {
     LIB_FUNCTION("bzQExy189ZI", "libc", 1, "libc", 1, 1, init_env);
     LIB_FUNCTION("3GPpjQdAMTw", "libc", 1, "libc", 1, 1, __cxa_guard_acquire);
@@ -109,9 +121,14 @@ void LibC_Register(SymbolsResolver* sym) {
     LIB_FUNCTION("hcuQgD53UxM", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::printf);
     LIB_FUNCTION("YQ0navp+YIc", "libc", 1, "libc", 1, 1, puts);
     LIB_FUNCTION("cpCOXWMgha0", "libc", 1, "libc", 1, 1, rand);
+    LIB_FUNCTION("ZtjspkJQ+vw", "libc", 1, "libc", 1, 1, _Fsin);
+    LIB_FUNCTION("AEJdIVZTEmo", "libc", 1, "libc", 1, 1, qsort);
     LIB_FUNCTION("Ovb2dSJOAuE", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::strcmp);
     LIB_FUNCTION("gQX+4GDQjpM", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::malloc);
+    LIB_FUNCTION("tIhsqj0qsFE", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::free);
     LIB_FUNCTION("j4ViWNHEgww", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::strlen);
+    LIB_FUNCTION("6sJWiWSRuqk", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::strncpy);
+    LIB_FUNCTION("+P6FRGH4LfA", "libc", 1, "libc", 1, 1, Emulator::HLE::Libraries::LibC::memmove);
     LIB_OBJ("P330P3dFF68", "libc", 1, "libc", 1, 1, &HLE::Libs::LibC::g_need_sceLibc);
 
     LIB_FUNCTION("z+P+xCnWLBk", "libc", 1, "libc", 1, 1, _ZdlPv);
diff --git a/src/Emulator/HLE/Libraries/LibC/libc.cpp b/src/Emulator/HLE/Libraries/LibC/libc.cpp
index 28af7d79..5da7112e 100644
--- a/src/Emulator/HLE/Libraries/LibC/libc.cpp
+++ b/src/Emulator/HLE/Libraries/LibC/libc.cpp
@@ -30,7 +30,14 @@ void* PS4_SYSV_ABI memset(void* s, int c, size_t n) { return std::memset(s, c, n
 
 void* PS4_SYSV_ABI malloc(size_t size) { return std::malloc(size); }
 
+void PS4_SYSV_ABI free(void* ptr) { std::free(ptr); }
+
 int PS4_SYSV_ABI strcmp(const char* str1, const char* str2) { return std::strcmp(str1, str2); }
 
 size_t PS4_SYSV_ABI strlen(const char* str) { return std::strlen(str); }
+
+char* PS4_SYSV_ABI strncpy(char* dest, const char* src, size_t count) { return std::strncpy(dest, src, count); }
+
+void* PS4_SYSV_ABI memmove(void* dest, const void* src, std::size_t count) { return std::memmove(dest, src, count); }
+
 };  // namespace Emulator::HLE::Libraries::LibC
\ No newline at end of file
diff --git a/src/Emulator/HLE/Libraries/LibC/libc.h b/src/Emulator/HLE/Libraries/LibC/libc.h
index 49bcdd80..365b01c0 100644
--- a/src/Emulator/HLE/Libraries/LibC/libc.h
+++ b/src/Emulator/HLE/Libraries/LibC/libc.h
@@ -14,6 +14,9 @@ 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);
 void* PS4_SYSV_ABI malloc(size_t size);
+void PS4_SYSV_ABI free(void* ptr);
 int PS4_SYSV_ABI strcmp(const char* str1, const char* str2);
 size_t PS4_SYSV_ABI strlen(const char* str);
+char* PS4_SYSV_ABI strncpy(char* dest, const char* src, size_t count);
+void* PS4_SYSV_ABI memmove(void* dest, const void* src, std::size_t count);
 }  // namespace Emulator::HLE::Libraries::LibC
\ No newline at end of file