diff --git a/libr/bin/bfilter.c b/libr/bin/bfilter.c
index 2797fa5af5404..45527107c1b5b 100644
--- a/libr/bin/bfilter.c
+++ b/libr/bin/bfilter.c
@@ -65,11 +65,9 @@ R_API char *r_bin_filter_name(RBinFile *bf, HtSU *db, ut64 vaddr, const char *na
 	return resname;
 }
 
-// R2_600 - return bool for success or not
-R_API void r_bin_filter_sym(RBinFile *bf, HtPP *ht, ut64 vaddr, RBinSymbol *sym) {
-	R_RETURN_IF_FAIL (ht && sym && sym->name);
+R_IPI bool r_bin_filter_sym(RBinFile *bf, HtPP *ht, ut64 vaddr, RBinSymbol *sym) {
+	R_RETURN_VAL_IF_FAIL (ht && sym && sym->name, false);
 	const char *name = r_bin_name_tostring2 (sym->name, 'o');
-#if 1
 	if (bf && bf->bo && bf->bo->lang) {
 		const char *lang = r_bin_lang_tostring (bf->bo->lang);
 		char *dn = r_bin_demangle (bf, lang, name, sym->vaddr, false);
@@ -92,11 +90,10 @@ R_API void r_bin_filter_sym(RBinFile *bf, HtPP *ht, ut64 vaddr, RBinSymbol *sym)
 		}
 		free (dn);
 	}
-#endif
 	r_strf_var (uname, 256, "%" PFMT64x ".%c.%s", vaddr, sym->is_imported ? 'i' : 's', name);
 	bool res = ht_pp_insert (ht, uname, sym);
 	if (!res) {
-		return;
+		return false;
 	}
 	sym->dup_count = 0;
 
@@ -105,12 +102,13 @@ R_API void r_bin_filter_sym(RBinFile *bf, HtPP *ht, ut64 vaddr, RBinSymbol *sym)
 	if (!prev_sym) {
 		if (!ht_pp_insert (ht, oname, sym)) {
 			R_LOG_WARN ("Failed to insert dup_count in ht");
-			return;
+			return false;
 		}
 	} else {
 		sym->dup_count = prev_sym->dup_count + 1;
 		ht_pp_update (ht, oname, sym);
 	}
+	return true;
 }
 
 R_API void r_bin_filter_symbols(RBinFile *bf, RList *list) {
diff --git a/libr/include/r_bin.h b/libr/include/r_bin.h
index e06351154d135..eb7425740c4f6 100644
--- a/libr/include/r_bin.h
+++ b/libr/include/r_bin.h
@@ -729,9 +729,7 @@ typedef struct r_bin_bind_t {
 	ut32 visibility;
 } RBinBind;
 
-R_IPI RBinSection *r_bin_section_new(const char *name);
 R_API RBinSection *r_bin_section_clone(RBinSection *s);
-R_IPI void r_bin_section_free(RBinSection *bs);
 R_API void r_bin_info_free(RBinInfo *rb);
 R_API void r_bin_import_free(RBinImport *imp);
 R_API void r_bin_symbol_free(void *sym);
@@ -916,10 +914,14 @@ R_API void r_bin_load_filter(RBin *bin, ut64 rules);
 R_API void r_bin_filter_symbols(RBinFile *bf, RList *list);
 R_API void r_bin_filter_sections(RBinFile *bf, RList *list);
 R_API char *r_bin_filter_name(RBinFile *bf, HtSU *db, ut64 addr, const char *name);
-R_API void r_bin_filter_sym(RBinFile *bf, HtPP *ht, ut64 vaddr, RBinSymbol *sym);
 R_API bool r_bin_strpurge(RBin *bin, const char *str, ut64 addr);
 R_API bool r_bin_string_filter(RBin *bin, const char *str, ut64 addr);
 
+// internal apis
+R_IPI bool r_bin_filter_sym(RBinFile *bf, HtPP *ht, ut64 vaddr, RBinSymbol *sym);
+R_IPI RBinSection *r_bin_section_new(const char *name);
+R_IPI void r_bin_section_free(RBinSection *bs);
+
 /* plugin pointers */
 extern RBinPlugin r_bin_plugin_any;
 extern RBinPlugin r_bin_plugin_fs;
diff --git a/libr/include/r_core.h b/libr/include/r_core.h
index 421060b034cb8..82081d65f9e41 100644
--- a/libr/include/r_core.h
+++ b/libr/include/r_core.h
@@ -582,6 +582,7 @@ R_API void r_core_list_io(RCore *core);
 R_API void r_core_list_lang(RCore *core, int mode);
 
 R_API void r_core_visual_slides(RCore *core, const char *file);
+
 /* visual marks */
 R_API void r_core_vmark(RCore *core, ut8 ch);
 R_API void r_core_vmark_set(RCore *core, ut8 ch, ut64 addr, int x, int y);
diff --git a/libr/util/buf_bytes.c b/libr/util/buf_bytes.c
index f29dee32ddead..047c124bd5027 100644
--- a/libr/util/buf_bytes.c
+++ b/libr/util/buf_bytes.c
@@ -103,7 +103,7 @@ static ut64 buf_bytes_get_size(RBuffer *b) {
 static st64 buf_bytes_seek(RBuffer *b, st64 addr, int whence) {
 	r_warn_if_fail (b->rb_bytes);
 	if (R_UNLIKELY (addr < 0)) {
-		if (addr > -UT48_MAX) {
+		if (addr > -(st64)UT48_MAX) {
 	       		if (-addr > (st64)b->rb_bytes->offset) {
 				return -1;
 			}
diff --git a/libr/util/buf_cache.c b/libr/util/buf_cache.c
index b6dd7bd7e4e8e..3f7f8f192478f 100644
--- a/libr/util/buf_cache.c
+++ b/libr/util/buf_cache.c
@@ -216,7 +216,7 @@ static ut64 buf_cache_get_size(RBuffer *b) {
 static st64 buf_cache_seek(RBuffer *b, st64 addr, int whence) {
 	r_warn_if_fail (b->rb_cache);
 	if (addr < 0) {
-		if (addr > -UT48_MAX) {
+		if (addr > -(st64)UT48_MAX) {
 			if (-addr > (st64)b->rb_cache->offset) {
 				return -1;
 			}
diff --git a/libr/util/table.c b/libr/util/table.c
index 70658f4d0b8b6..4d320e7bc791e 100644
--- a/libr/util/table.c
+++ b/libr/util/table.c
@@ -72,7 +72,7 @@ static int sortNumber(const void *a, const void *b) {
 static int sortFloat(const void *a, const void *b) {
 	double fa = strtod ((const char *) a, NULL);
 	double fb = strtod ((const char *) b, NULL);
-	return (fa * 100) - (fb * 100);
+	return (int)((fa * 100) - (fb * 100));
 }
 
 // maybe just index by name instead of exposing those symbols as global