3 files changed, 8 insertions, 0 deletions
diff --git a/src/stdlib/strtol.c b/src/stdlib/strtol.c
index 23a2f3b6..7ee88794 100644
--- a/src/stdlib/strtol.c
+++ b/src/stdlib/strtol.c
@@ -1,6 +1,9 @@
 #include "stdio_impl.h"
 #include "intscan.h"
 #include "shgetc.h"
+#include <inttypes.h>
+#include <limits.h>
+#include <ctype.h>
 
 static unsigned long long strtox(const char *s, char **p, int base, unsigned long long lim)
 {
diff --git a/src/stdlib/wcstod.c b/src/stdlib/wcstod.c
index 03670b0b..83f308d3 100644
--- a/src/stdlib/wcstod.c
+++ b/src/stdlib/wcstod.c
@@ -1,6 +1,7 @@
 #include "shgetc.h"
 #include "floatscan.h"
 #include "stdio_impl.h"
+#include <wctype.h>
 
 /* This read function heavily cheats. It knows:
  *  (1) len will always be 1
diff --git a/src/stdlib/wcstol.c b/src/stdlib/wcstol.c
index 3d7c97da..4443f577 100644
--- a/src/stdlib/wcstol.c
+++ b/src/stdlib/wcstol.c
@@ -1,6 +1,10 @@
 #include "stdio_impl.h"
 #include "intscan.h"
 #include "shgetc.h"
+#include <inttypes.h>
+#include <limits.h>
+#include <wctype.h>
+#include <wchar.h>
 
 /* This read function heavily cheats. It knows:
  *  (1) len will always be 1