diff --git a/src/game/acosasin.c b/src/game/acosasin.c
index b413511f2..dea785d5c 100644
--- a/src/game/acosasin.c
+++ b/src/game/acosasin.c
@@ -57,7 +57,7 @@ s32 func0f096890(s32 arg0)
 	return value - (((value - nextvalue) * (arg0 & mask)) >> shiftamount);
 }
 
-u16 acos(s16 arg0)
+u16 acosx(s16 arg0)
 {
 	s32 value = arg0 >= 0 ? arg0 : -arg0;
 
@@ -70,7 +70,7 @@ u16 acos(s16 arg0)
 	return value;
 }
 
-s16 asin(s16 arg0)
+s16 asinx(s16 arg0)
 {
 	s32 value = arg0 >= 0 ? arg0 : -arg0;
 
diff --git a/src/game/acosfasinf.c b/src/game/acosfasinf.c
index b13568869..432be5fce 100644
--- a/src/game/acosfasinf.c
+++ b/src/game/acosfasinf.c
@@ -17,7 +17,7 @@ f32 acosf(f32 value)
 		intval = value * 32767.0f;
 	}
 
-	return acos(intval) * M_PI / 65535.0f;
+	return acosx(intval) * M_PI / 65535.0f;
 }
 
 f32 asinf(f32 value)
@@ -32,5 +32,5 @@ f32 asinf(f32 value)
 		intval = value * 32767.0f;
 	}
 
-	return asin(intval) * M_PI / 65535.0f;
+	return asinx(intval) * M_PI / 65535.0f;
 }
diff --git a/src/game/bg.c b/src/game/bg.c
index c05b5ce1d..8f896df60 100644
--- a/src/game/bg.c
+++ b/src/game/bg.c
@@ -2213,7 +2213,7 @@ Gfx *bgScissorToViewport(Gfx *gdl)
 
 Gfx *bgScissorWithinViewportF(Gfx *gdl, f32 viewleft, f32 viewtop, f32 viewright, f32 viewbottom)
 {
-	gdl = bgScissorWithinViewport(gdl, viewleft, viewtop, ceil(viewright), ceil(viewbottom));
+	gdl = bgScissorWithinViewport(gdl, viewleft, viewtop, ceiltoint(viewright), ceiltoint(viewbottom));
 
 	return gdl;
 }
diff --git a/src/game/ceil.c b/src/game/ceil.c
index acc6002b1..cf39bee43 100644
--- a/src/game/ceil.c
+++ b/src/game/ceil.c
@@ -21,7 +21,7 @@ f32 ceilf(f32 value)
 	return fvalue + 1;
 }
 
-s32 ceil(f32 value)
+s32 ceiltoint(f32 value)
 {
 	s32 ivalue;
 
diff --git a/src/game/floor.c b/src/game/floor.c
index 346b00533..cf28e17a8 100644
--- a/src/game/floor.c
+++ b/src/game/floor.c
@@ -21,7 +21,7 @@ f32 floorf(f32 value)
 	return fvalue - 1;
 }
 
-s32 floor(f32 value)
+s32 floortoint(f32 value)
 {
 	s32 ivalue;
 
diff --git a/src/game/race.c b/src/game/race.c
index 7e299c002..9aa63a616 100644
--- a/src/game/race.c
+++ b/src/game/race.c
@@ -40,7 +40,7 @@ s32 raceInitAnimGroup(struct attackanimconfig *configs)
 	struct attackanimconfig *config = configs;
 
 	while (config->animnum != 0) {
-		u16 angle = raceGetAnimSumAngleAsInt(config->animnum, 0, floor(config->unk04));
+		u16 angle = raceGetAnimSumAngleAsInt(config->animnum, 0, floortoint(config->unk04));
 
 		if (config->unk04 > 0) {
 			if (angle < 0x8000) {
@@ -67,7 +67,7 @@ s32 raceInitAnimConfigSingle(struct attackanimconfig *config)
 
 
 	if (config->animnum != 0) {
-		u16 angle = raceGetAnimSumAngleAsInt(config->animnum, 0, floor(config->unk04));
+		u16 angle = raceGetAnimSumAngleAsInt(config->animnum, 0, floortoint(config->unk04));
 
 		if (config->unk04 > 0) {
 			if (angle < 0x8000) {
diff --git a/src/include/game/acosasin.h b/src/include/game/acosasin.h
index cc41d6bb9..94c9b2199 100644
--- a/src/include/game/acosasin.h
+++ b/src/include/game/acosasin.h
@@ -4,7 +4,7 @@
 #include "data.h"
 #include "types.h"
 
-u16 acos(s16 arg0);
-s16 asin(s16 arg0);
+u16 acosx(s16 arg0);
+s16 asinx(s16 arg0);
 
 #endif
diff --git a/src/include/game/ceil.h b/src/include/game/ceil.h
index c59c0937c..7f2a78699 100644
--- a/src/include/game/ceil.h
+++ b/src/include/game/ceil.h
@@ -5,6 +5,6 @@
 #include "types.h"
 
 f32 ceilf(f32 value);
-s32 ceil(f32 value);
+s32 ceiltoint(f32 value);
 
 #endif
diff --git a/src/include/game/floor.h b/src/include/game/floor.h
index cc28babdf..0d51f2948 100644
--- a/src/include/game/floor.h
+++ b/src/include/game/floor.h
@@ -5,6 +5,6 @@
 #include "types.h"
 
 f32 floorf(f32 value);
-s32 floor(f32 value);
+s32 floortoint(f32 value);
 
 #endif
diff --git a/src/lib/model.c b/src/lib/model.c
index 152dd52bb..364b06cce 100644
--- a/src/lib/model.c
+++ b/src/lib/model.c
@@ -1718,7 +1718,7 @@ s32 modelConstrainOrWrapAnimFrame(s32 frame, s16 animnum, f32 endframe)
 			frame = 0;
 		}
 	} else if (endframe >= 0 && frame > (s32)endframe) {
-		frame = ceil(endframe);
+		frame = ceiltoint(endframe);
 	} else if (frame >= animGetNumFrames(animnum)) {
 		if (var8005efbc || (g_Anims[animnum].flags & ANIMFLAG_LOOP)) {
 			frame = frame % animGetNumFrames(animnum);
@@ -2091,7 +2091,7 @@ void modelSetAnimFrame(struct model *model, f32 frame)
 	struct anim *anim = model->anim;
 
 	if (anim) {
-		framea = floor(frame);
+		framea = floortoint(frame);
 		forwards = anim->speed >= 0;
 
 		frameb = (forwards ? framea + 1 : framea - 1);
@@ -2120,7 +2120,7 @@ void modelSetAnimFrame2(struct model *model, f32 frame1, f32 frame2)
 		modelSetAnimFrame(model, frame1);
 
 		if (anim->animnum2) {
-			s32 framea = floor(frame2);
+			s32 framea = floortoint(frame2);
 			s32 frameb;
 			bool forwards = anim->speed2 >= 0;
 
@@ -2225,11 +2225,11 @@ void modelSetAnimFrame2WithChrStuff(struct model *model, f32 curframe, f32 endfr
 				}
 
 				if (forwards) {
-					floorcur = floor(curframe) + 1;
-					floorend = floor(endframe);
+					floorcur = floortoint(curframe) + 1;
+					floorend = floortoint(endframe);
 				} else {
-					floorcur = ceil(curframe) - 1;
-					floorend = ceil(endframe);
+					floorcur = ceiltoint(curframe) - 1;
+					floorend = ceiltoint(endframe);
 				}
 
 				if (g_Anims[anim->animnum].flags & ANIMFLAG_ABSOLUTETRANSLATION) {
@@ -2464,8 +2464,8 @@ void modelSetAnimFrame2WithChrStuff(struct model *model, f32 curframe, f32 endfr
 				}
 
 				if (anim->animnum2 && (g_Anims[anim->animnum].flags & ANIMFLAG_ABSOLUTETRANSLATION) == 0) {
-					s32 floorcur2 = floor(curframe2);
-					s32 floorend2 = floor(endframe2);
+					s32 floorcur2 = floortoint(curframe2);
+					s32 floorend2 = floortoint(endframe2);
 
 					if ((forwards && floorcur2 < floorend2) || (!forwards && floorend2 < floorcur2)) {
 						if (rwdata->unk02 != 0) {