diff --git a/reactos/include/libc/file.h b/reactos/include/libc/file.h
index 3845dc7b114..36804540cf2 100644
--- a/reactos/include/libc/file.h
+++ b/reactos/include/libc/file.h
@@ -37,6 +37,7 @@ void	_fwalk(void (*)(FILE *));
 char __is_text_file(FILE *p);
 
 int _doprnt(const char *fmt, va_list args, FILE *f);
+int _dowprnt(const char *fmt, va_list args, FILE *f);
 int _doscan(FILE *iop, const char *fmt, void **argp);
 
 void *filehnd(int fileno);
diff --git a/reactos/lib/crtdll/process/System.c b/reactos/lib/crtdll/process/System.c
index fcaadb4a833..f8c9bada2fa 100644
--- a/reactos/lib/crtdll/process/System.c
+++ b/reactos/lib/crtdll/process/System.c
@@ -1,7 +1,7 @@
 #include <process.h>
 #include <windows.h>
 
-int _system(const char *command)
+int system(const char *command)
 {
 	char CmdLine[MAX_PATH];
 	char *comspec = getenv("COMSPEC");