diff --git a/include/msvcrt/stdlib.h b/include/msvcrt/stdlib.h
index a3251878b0d..2851e190d46 100644
--- a/include/msvcrt/stdlib.h
+++ b/include/msvcrt/stdlib.h
@@ -203,7 +203,9 @@ int           __cdecl rand(void);
 errno_t       __cdecl rand_s(unsigned int*);
 void*         __cdecl realloc(void*,size_t);
 void          __cdecl srand(unsigned int);
+float         __cdecl strtof(const char*,char**);
 double        __cdecl strtod(const char*,char**);
+double        __cdecl strtold(const char*,char**);
 __msvcrt_long __cdecl strtol(const char*,char**,int);
 __msvcrt_ulong __cdecl strtoul(const char*,char**,int);
 __int64       __cdecl _strtoi64(const char*,char**,int);