diff --git a/src/proto/os_unix.pro b/src/proto/os_unix.pro
index 8442dea..bc250c8 100644
--- a/src/proto/os_unix.pro
+++ b/src/proto/os_unix.pro
@@ -55,7 +55,11 @@
 int mch_get_shellsize(void);
 void mch_set_shellsize(void);
 void mch_new_shellsize(void);
+int mch_parse_cmd(char_u *cmd, int use_shcf, char ***argv, int *argc);
 int mch_call_shell(char_u *cmd, int options);
+void mch_start_job(char **argv, job_T *job);
+char *mch_job_status(job_T *job);
+int mch_stop_job(job_T *job, char_u *how);
 void mch_breakcheck(void);
 int mch_expandpath(garray_T *gap, char_u *path, int flags);
 int mch_expand_wildcards(int num_pat, char_u **pat, int *num_file, char_u ***file, int flags);