diff --git a/man7/system_data_types.7 b/man7/system_data_types.7
index 5b3f259c4..f40b1373f 100644
--- a/man7/system_data_types.7
+++ b/man7/system_data_types.7
@@ -248,6 +248,28 @@ Conforming to: C99 and later; POSIX.1-2001 and later.
 .IP
 See also:
 .BR ldiv (3)
+.\"------------------------------------- lldiv_t ----------------------/
+.TP
+.I lldiv_t
+.IP
+Include:
+.IR <stdlib.h> .
+.IP
+.EX
+typedef struct {
+    long long   quot; /* Quotient */
+    long long   rem;  /* Remainder */
+} lldiv_t;
+.EE
+.IP
+It is the type of the value returned by the
+.BR lldiv (3)
+function.
+.IP
+Conforming to: C99 and later; POSIX.1-2001 and later.
+.IP
+See also:
+.BR lldiv (3)
 .\"------------------------------------- pid_t ------------------------/
 .TP
 .I pid_t