2 files changed, 1 insertions, 5 deletions
diff --git a/src/preprocess.c b/src/preprocess.c
index 3965949..832bb5e 100644
--- a/src/preprocess.c
+++ b/src/preprocess.c
@@ -1,4 +1,5 @@
 #include "preprocess.h"
+#include <ctype.h>
 #include <stdio.h>
 #include "common.h"
 #include "parse.h"
diff --git a/src/std.h b/src/std.h
index 5f31191..a4fe905 100644
--- a/src/std.h
+++ b/src/std.h
@@ -6,11 +6,6 @@
 int atoi(const char*);
 void* calloc(size_t, size_t);
 void exit(int);
-int getchar();
-int isalnum(int);
-int isalpha(int);
-int isdigit(int);
-int isspace(int);
 void* memcpy(void*, const void*, size_t);
 void* memmove(void*, const void*, size_t);
 void* memset(void*, int, size_t);