diff --git a/implementations/C/KEYWORDS.in b/implementations/C/KEYWORDS.in
index 74132a2..90f3e7a 100644
--- a/implementations/C/KEYWORDS.in
+++ b/implementations/C/KEYWORDS.in
@@ -16,16 +16,16 @@ struct dict_entry;
 ">=", def_ge
 "&", def_and
 "|", def_or
-"%", tdiv_r
-mod, tdiv_r
+"%", fdiv_r
+mod, fdiv_r
 *, mul
 mul, mul
 +, add
 add, add
 -, sub
 sub, sub
-/, tdiv_q
-div, tdiv_q
+/, fdiv_q
+div, fdiv_q
 bool, truthy
 branch, branch
 clear, clear
diff --git a/implementations/C/KEYWORDS.txt b/implementations/C/KEYWORDS.txt
index b76144f..8459469 100644
--- a/implementations/C/KEYWORDS.txt
+++ b/implementations/C/KEYWORDS.txt
@@ -21,16 +21,16 @@ struct dict_entry;
 ">=", def_ge
 "&", def_and
 "|", def_or
-"%", tdiv_r
-mod, tdiv_r
+"%", fdiv_r
+mod, fdiv_r
 *, mul
 mul, mul
 +, add
 add, add
 -, sub
 sub, sub
-/, tdiv_q
-div, tdiv_q
+/, fdiv_q
+div, fdiv_q
 bool, truthy
 branch, branch
 clear, clear
diff --git a/implementations/C/joy.h b/implementations/C/joy.h
index e2da2cc..713634a 100644
--- a/implementations/C/joy.h
+++ b/implementations/C/joy.h
@@ -80,8 +80,8 @@ void swaack(JoyListPtr stack, JoyListPtr expression);
 void swap(JoyListPtr stack, JoyListPtr expression);
 void mul(JoyListPtr stack, JoyListPtr expression);
 void sub(JoyListPtr stack, JoyListPtr expression);
-void tdiv_q(JoyListPtr stack, JoyListPtr expression);
-void tdiv_r(JoyListPtr stack, JoyListPtr expression);
+void fdiv_q(JoyListPtr stack, JoyListPtr expression);
+void fdiv_r(JoyListPtr stack, JoyListPtr expression);
 void truthy(JoyListPtr stack, JoyListPtr expression);
 
 
diff --git a/implementations/C/keywords.c b/implementations/C/keywords.c
index 21121aa..e93d717 100644
--- a/implementations/C/keywords.c
+++ b/implementations/C/keywords.c
@@ -184,7 +184,7 @@ in_word_set (register const char *str, register size_t len)
 #line 76 "KEYWORDS.txt"
       {"ccons", def_ccons},
 #line 32 "KEYWORDS.txt"
-      {"/", tdiv_q},
+      {"/", fdiv_q},
 #line 109 "KEYWORDS.txt"
       {"nullary", def_nullary},
 #line 63 "KEYWORDS.txt"
@@ -246,7 +246,7 @@ in_word_set (register const char *str, register size_t len)
 #line 167 "KEYWORDS.txt"
       {"_timest", def__timest},
 #line 25 "KEYWORDS.txt"
-      {"mod", tdiv_r},
+      {"mod", fdiv_r},
 #line 160 "KEYWORDS.txt"
       {"step", def_step},
 #line 158 "KEYWORDS.txt"
@@ -413,7 +413,7 @@ in_word_set (register const char *str, register size_t len)
 #line 20 "KEYWORDS.txt"
       {"<=", def_le},
 #line 33 "KEYWORDS.txt"
-      {"div", tdiv_q},
+      {"div", fdiv_q},
       {""},
 #line 171 "KEYWORDS.txt"
       {"_map0", def__map0},
@@ -438,7 +438,7 @@ in_word_set (register const char *str, register size_t len)
 #line 170 "KEYWORDS.txt"
       {"_mape", def__mape},
 #line 24 "KEYWORDS.txt"
-      {"%", tdiv_r},
+      {"%", fdiv_r},
       {""}, {""}, {""},
 #line 173 "KEYWORDS.txt"
       {"_map2", def__map2},