library: update those source files for copyright dates

In addition to copyright date, the initial descriptive
line was changed from a generic statement to one which
reflects the specific portion of the proc/ filesystem.

[ such descriptions alternate between 'declarations' ]
[ (h files) & corresponding 'definitions' (c files). ]

Also, a few missing copyright attributions were added.

Signed-off-by: Jim Warner <james.warner@comcast.net>

12 files changed, 32 insertions, 23 deletions

diff --git a/proc/diskstats.c b/proc/diskstats.c
index fd2029c..a9d2c59 100644
--- a/proc/diskstats.c
+++ b/proc/diskstats.c
@@ -1,10 +1,10 @@
 /*
- * diskstat - Disk statistics - part of procps
+ * diskstat.c - disk I/O related definitions for libprocps
  *
  * Copyright (C) 2003 Fabian Frederick
  * Copyright (C) 2003 Albert Cahalan
  * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
- * Copyright (C) 2016 Jim Warner <james.warner@comcast.net>
+ * Copyright (C) 2016-2021 Jim Warner <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/proc/diskstats.h b/proc/diskstats.h
index c80100f..d6f8510 100644
--- a/proc/diskstats.h
+++ b/proc/diskstats.h
@@ -1,10 +1,10 @@
 /*
- * libprocps - Library to read proc filesystem
+ * diskstat.c - disk I/O related declarations for libprocps
  *
  * Copyright (c) 2003 Fabian Frederick
  * Copyright (C) 2003 Albert Cahalan
  * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
- * Copyright (C) 2016 Jim Warner <james.warner@comcast.net>
+ * Copyright (C) 2016-2021 Jim Warner <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/proc/meminfo.c b/proc/meminfo.c
index 4ab767b..c1d9f0e 100644
--- a/proc/meminfo.c
+++ b/proc/meminfo.c
@@ -1,5 +1,8 @@
 /*
- * libprocps - Library to read proc filesystem
+ * meminfo.c - memory related definitions for libprocps
+ *
+ * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
+ * Copyright (C) 2016-2021 Jim Warner <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/proc/meminfo.h b/proc/meminfo.h
index ec303e5..f6197fa 100644
--- a/proc/meminfo.h
+++ b/proc/meminfo.h
@@ -1,5 +1,8 @@
 /*
- * libprocps - Library to read proc filesystem
+ * meminfo.h - memory related declarations for libprocps
+ *
+ * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
+ * Copyright (C) 2016-2021 Jim Warner <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/proc/pids.c b/proc/pids.c
index 50212b7..e99abdd 100644
--- a/proc/pids.c
+++ b/proc/pids.c
@@ -1,9 +1,9 @@
 /*
- * pids.c - task/thread/process related declarations for libproc
+ * pids.c - process related definitions for libprocps
  *
  * Copyright (C) 1998-2005 Albert Cahalan
  * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
- * Copyright (C) 2015 Jim Warner <james.warner@comcast.net>
+ * Copyright (C) 2015-2021 Jim Warner <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/proc/pids.h b/proc/pids.h
index cbb48d3..04c957a 100644
--- a/proc/pids.h
+++ b/proc/pids.h
@@ -1,9 +1,9 @@
 /*
- * libprocps - Library to read proc filesystem
+ * pids.h - process related declarations for libprocps
  *
  * Copyright (C) 1998-2005 Albert Cahalan
  * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
- * Copyright (C) 2015 Jim Warner <james.warner@comcast.net>
+ * Copyright (C) 2015-2021 Jim Warner <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/proc/slabinfo.c b/proc/slabinfo.c
index d11ad5f..73aa232 100644
--- a/proc/slabinfo.c
+++ b/proc/slabinfo.c
@@ -1,13 +1,10 @@
 /*
- * slabinfo.c - slabinfo related functions for libproc
- *
- * Chris Rivera <cmrivera@ufl.edu>
- * Robert Love <rml@tech9.net>
+ * slabinfo.c - slab pools related definitions for libprocps
  *
  * Copyright (C) 2003 Chris Rivera
  * Copyright (C) 2004 Albert Cahalan
  * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
- * Copyright (C) 2016 Jim Warnerl <james.warner@comcast.net>
+ * Copyright (C) 2016-2021 Jim Warnerl <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/proc/slabinfo.h b/proc/slabinfo.h
index 1423f33..9406401 100644
--- a/proc/slabinfo.h
+++ b/proc/slabinfo.h
@@ -1,9 +1,9 @@
 /*
- * libprocps - Library to read proc filesystem
+ * slabinfo.h - slab pools related declarations for libprocps
  *
  * Copyright (C) 1998-2005 Albert Cahalan
  * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
- * Copyright (C) 2016 Jim Warnerl <james.warner@comcast.net>
+ * Copyright (C) 2016-2021 Jim Warnerl <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/proc/stat.c b/proc/stat.c
index 5efcc03..953deee 100644
--- a/proc/stat.c
+++ b/proc/stat.c
@@ -1,5 +1,8 @@
 /*
- * libprocps - Library to read proc filesystem
+ * stat.c - cpu/numa related definitions for libprocps
+ *
+ * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
+ * Copyright (C) 2015-2021 Jim Warner <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/proc/stat.h b/proc/stat.h
index 9d0f303..325ecd7 100644
--- a/proc/stat.h
+++ b/proc/stat.h
@@ -1,5 +1,8 @@
 /*
- * libprocps - Library to read proc filesystem
+ * stat.h - cpu/numa related declarations for libprocps
+ *
+ * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
+ * Copyright (C) 2015-2021 Jim Warner <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/proc/vmstat.c b/proc/vmstat.c
index 5e4e288..7e47e65 100644
--- a/proc/vmstat.c
+++ b/proc/vmstat.c
@@ -1,11 +1,11 @@
 /*
- * libprocps - Library to read proc filesystem
+ * vmstat,c - virtual memory related definitions for libprocps
  *
  * Copyright (C) 1995 Martin Schulze <joey@infodrom.north.de>
  * Copyright (C) 1996 Charles Blake <cblake@bbn.com>
  * Copyright (C) 2003 Albert Cahalan
  * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
- * Copyright (C) 2016 Jim Warner <james.warner@comcast.net>
+ * Copyright (C) 2016-2021 Jim Warner <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/proc/vmstat.h b/proc/vmstat.h
index 8b6ba28..02c7650 100644
--- a/proc/vmstat.h
+++ b/proc/vmstat.h
@@ -1,11 +1,11 @@
 /*
- * libprocps - Library to read proc filesystem
+ * vmstat,c - virtual memory related declarations for libprocps
  *
  * Copyright (C) 1995 Martin Schulze <joey@infodrom.north.de>
  * Copyright (C) 1996 Charles Blake <cblake@bbn.com>
  * Copyright (C) 2003 Albert Cahalan
  * Copyright (C) 2015 Craig Small <csmall@dropbear.xyz>
- * Copyright (C) 2016 Jim Warner <james.warner@comcast.net>
+ * Copyright (C) 2016-2021 Jim Warner <james.warner@comcast.net>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public