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-rw-r--r--sysdep/unix/io.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c
index 82f6c69e..486319ff 100644
--- a/sysdep/unix/io.c
+++ b/sysdep/unix/io.c
@@ -448,6 +448,7 @@ tm_format_reltime(char *x, struct tm *tm, bird_clock_t delta)
/**
* tm_format_datetime - convert date and time to textual representation
* @x: destination buffer of size %TM_DATETIME_BUFFER_SIZE
+ * @fmt_spec: specification of resulting textual representation of the time
* @t: time
*
* This function formats the given relative time value @t to a textual