remove lf naming scheme

src/binarytree.c

@@ -2,7 +2,7 @@
 #include <string.h>
 #include <stdio.h>
 
-#include "lfbinarytree.h"
+#include "binarytree.h"
 
 void bintree_init(BinTree *tree, void (*destroy)(void *data)) {
     tree->size = 0;

src/input.c

@@ -9,7 +9,7 @@
 
 #endif
 
-#include "lfinput.h"
+#include "input.h"
 
 static FILE* open_file(const char *path, size_t *fsz) {
     FILE *fp = NULL;

src/linkedlist.c

@@ -1,7 +1,7 @@
 #include <string.h>
 #include <stdlib.h>
 
-#include "lflinkedlist.h"
+#include "linkedlist.h"
 
 void ll_init(List *list, void (*destroy)(void *data)) {
     list->size = 0;

src/math.c

@@ -1,7 +1,7 @@
 #include <string.h>
 #include <stdlib.h>
 
-#include "lfmath.h"
+#include "math.h"
 
 int max_int(int a, int b) {
     if (a > b) {

src/set.c

@@ -1,4 +1,4 @@
-#include "lfset.h"
+#include "set.h"
 
 void set_init(Set *set, int (*match)(const void *a, const void *b),
               void (*destroy)(void *data)) {

src/stack.c

@@ -1,4 +1,4 @@
-#include "lfstack.h"
+#include "stack.h"
 
 void stack_init(Stack *stack, void (*destroy)(void *data)) {
     ll_init(stack, destroy);