diff --git a/dlls/msvcrt/mbcs.c b/dlls/msvcrt/mbcs.c
index 9e7b29a5939..ecfa176a4fe 100644
--- a/dlls/msvcrt/mbcs.c
+++ b/dlls/msvcrt/mbcs.c
@@ -71,6 +71,15 @@ int _mbscmp(const char *str, const char *cmp)
   return strcmp(str, cmp); /* ASCII CP */
 }
 
+/*********************************************************************
+ *		_mbscspn(MSVCRT.@)
+ */
+int _mbscspn(const char *str, const char *cmp)
+{
+   FIXME("don't handle double character case\n");
+   return strcspn(str, cmp);
+}
+
 /*********************************************************************
  *		_mbsicmp(MSVCRT.@)
  */
diff --git a/dlls/msvcrt/msvcrt.spec b/dlls/msvcrt/msvcrt.spec
index 8d3e3d53e80..72b5d8ed84c 100644
--- a/dlls/msvcrt/msvcrt.spec
+++ b/dlls/msvcrt/msvcrt.spec
@@ -357,7 +357,7 @@ debug_channels (msvcrt)
 @ cdecl _mbscmp(str str) _mbscmp
 @ stub _mbscoll #(str str)
 @ cdecl _mbscpy(ptr str) strcpy
-@ stub _mbscspn #(str str)
+@ cdecl _mbscspn (str str) _mbscspn
 @ cdecl _mbsdec(ptr ptr) _mbsdec
 @ cdecl _mbsdup(str) _strdup
 @ cdecl _mbsicmp(str str) _mbsicmp
@@ -675,7 +675,7 @@ debug_channels (msvcrt)
 @ cdecl memcpy(ptr ptr long) memcpy
 @ cdecl memmove(ptr ptr long) memmove
 @ cdecl memset(ptr long long) memset
-@ cdecl mktime(ptr) mktime
+@ cdecl mktime(ptr) MSVCRT_mktime
 @ cdecl modf(double ptr) modf
 @ cdecl perror(str) MSVCRT_perror
 @ cdecl pow(double double) pow
diff --git a/dlls/msvcrt/time.c b/dlls/msvcrt/time.c
index 9580ada5a1b..86cf4e86d85 100644
--- a/dlls/msvcrt/time.c
+++ b/dlls/msvcrt/time.c
@@ -32,6 +32,23 @@ char* msvcrt_get_current_time(char* out, const char* format)
   return retval;
 }
 
+/**********************************************************************
+ *		mktime (MSVCRT.@)
+ */
+MSVCRT_time_t MSVCRT_mktime(struct MSVCRT_tm *t)
+{
+  struct tm aa;
+
+  aa.tm_sec = t->tm_sec;
+  aa.tm_min = t->tm_min;
+  aa.tm_hour = t->tm_hour;
+  aa.tm_mday = t->tm_mday;
+  aa.tm_mon = t->tm_mon;
+  aa.tm_year = t->tm_year;
+  aa.tm_isdst = t->tm_isdst;
+  return mktime(&aa);
+}
+
 /**********************************************************************
  *		_strdate (MSVCRT.@)
  */