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authorGuy Harris <guy@alum.mit.edu>2016-10-12 10:12:55 -0700
committerGuy Harris <guy@alum.mit.edu>2016-10-12 10:12:55 -0700
commit55aa0b518107f6ebd18bfea758aa9d1ccd8201b6 (patch)
tree1fc4d62f52018b8f45cd169ac82c9bc1c415cb34 /pcap_datalink_val_to_name.3pcap
parente4d156e4966aff29a8ddb66b05f62c3fcc717be8 (diff)
Clarify what the return values are for both success and failure.
Diffstat (limited to 'pcap_datalink_val_to_name.3pcap')
-rw-r--r--pcap_datalink_val_to_name.3pcap14
1 files changed, 11 insertions, 3 deletions
diff --git a/pcap_datalink_val_to_name.3pcap b/pcap_datalink_val_to_name.3pcap
index 9d15b9f9..aa3e89a6 100644
--- a/pcap_datalink_val_to_name.3pcap
+++ b/pcap_datalink_val_to_name.3pcap
@@ -35,12 +35,20 @@ const char *pcap_datalink_val_to_description(int dlt);
.SH DESCRIPTION
.B pcap_datalink_val_to_name()
translates a link-layer header type value to the corresponding
-link-layer header type name.
+link-layer header type name, which is the
+.B DLT_
+name for the link-layer header type value with the
+.B DLT_
+removed.
.B NULL
-is returned on failure.
+is returned if the type value does not correspond to a known
+.B DLT_
+value.
.PP
.B pcap_datalink_val_to_description()
translates a link-layer header type value to a short description of that
link-layer header type.
.B NULL
-is returned on failure.
+is returned if the type value does not correspond to a known
+.B DLT_
+value.