diff --git a/tcc.h b/tcc.h
index 89129109..ed134d7b 100644
--- a/tcc.h
+++ b/tcc.h
@@ -1527,7 +1527,7 @@ ST_FUNC void pe_add_unwind_data(unsigned start, unsigned end, unsigned stack);
 ST_FUNC void *dlopen(const char *filename, int flag);
 ST_FUNC void dlclose(void *p);
 ST_FUNC const char *dlerror(void);
-ST_FUNC void *dlsym(int flag, const char *symbol);
+ST_FUNC void *dlsym(void *handle, const char *symbol);
 #endif
 #ifdef CONFIG_TCC_BACKTRACE
 ST_DATA int rt_num_callers;
diff --git a/tccrun.c b/tccrun.c
index 3e32de4c..5575eb5d 100644
--- a/tccrun.c
+++ b/tccrun.c
@@ -275,10 +275,9 @@ static void set_pages_executable(void *ptr, unsigned long length)
 static void *win64_add_function_table(TCCState *s1)
 {
     void *p = NULL;
-    int r;
     if (s1->uw_pdata) {
         p = (void*)s1->uw_pdata->sh_addr;
-        r = RtlAddFunctionTable(
+        RtlAddFunctionTable(
             (RUNTIME_FUNCTION*)p,
             s1->uw_pdata->data_offset / sizeof (RUNTIME_FUNCTION),
             text_section->sh_addr
@@ -798,7 +797,7 @@ static TCCSyms tcc_syms[] = {
     { NULL, NULL },
 };
 
-ST_FUNC void *dlsym(int flag, const char *symbol)
+ST_FUNC void *dlsym(void *handle, const char *symbol)
 {
     TCCSyms *p;
     p = tcc_syms;