diff --git a/ulib/system/system.c b/ulib/system/system.c
index 449a995..272d02f 100644
--- a/ulib/system/system.c
+++ b/ulib/system/system.c
@@ -159,3 +159,26 @@ int32_t time(Time *time) {
   return syscall(SYS_TIME, (uint64_t)time, 0, 0, 0, 0, 0);
 }
 
+int32_t ipc_mbusmake(char *name, size_t objsize, size_t objmax) {
+  return syscall(SYS_IPC_MBUSMAKE, (uint64_t)name, (uint64_t)objsize, (uint64_t)objmax, 0, 0, 0);
+}
+
+int32_t ipc_mbusdelete(char *name) {
+  return syscall(SYS_IPC_MBUSDELETE, (uint64_t)name, 0, 0, 0, 0, 0);
+}
+
+int32_t ipc_mbuspublish(char *name, const uint8_t *const buffer) {
+  return syscall(SYS_IPC_MBUSPUBLISH, (uint64_t)name, (uint64_t)buffer, 0, 0, 0, 0);
+}
+
+int32_t ipc_mbusconsume(char *name, uint8_t *const buffer) {
+  return syscall(SYS_IPC_MBUSCONSUME, (uint64_t)name, (uint64_t)buffer, 0, 0, 0, 0);
+}
+
+int32_t ipc_mbusattch(char *name) {
+  return syscall(SYS_IPC_MBUSATTCH, (uint64_t)name, 0, 0, 0, 0, 0);
+}
+
+int32_t ipc_mbusdttch(char *name) {
+  return syscall(SYS_IPC_MBUSATTCH, (uint64_t)name, 0, 0, 0, 0, 0);
+}
diff --git a/ulib/system/system.h b/ulib/system/system.h
index d8af30c..44155b0 100644
--- a/ulib/system/system.h
+++ b/ulib/system/system.h
@@ -48,5 +48,11 @@ int32_t dev_stat(DevStat *devstatbuf, size_t idx);
 int32_t dev_cmd(Dev_t *dev, uint64_t cmd, void *buf, size_t len);
 int32_t dev_delhandle(Dev_t *dev);
 int32_t time(Time *time);
+int32_t ipc_mbusmake(char *name, size_t objsize, size_t objmax);
+int32_t ipc_mbusdelete(char *name);
+int32_t ipc_mbuspublish(char *name, const uint8_t *const buffer);
+int32_t ipc_mbusconsume(char *name, uint8_t *const buffer);
+int32_t ipc_mbusattch(char *name);
+int32_t ipc_mbusdttch(char *name);
 
 #endif // ULIB_SYSTEM_SYSTEM_H_