Update file header comments

5 files changed, 10 insertions, 0 deletions

diff --git a/lib/commands/commands.c b/lib/commands/commands.c
index 41f5b7ef..110ae696 100644
--- a/lib/commands/commands.c
+++ b/lib/commands/commands.c
@@ -1,3 +1,5 @@
+// Logic for running system commands
+
 #pragma once
 
 #include <errno.h>
diff --git a/lib/patterns/match_type.h b/lib/patterns/match_type.h
index 911d66fc..f85f1862 100644
--- a/lib/patterns/match_type.h
+++ b/lib/patterns/match_type.h
@@ -1,3 +1,5 @@
+// A datatype used for pattern match results
+
 #pragma once
 
 typedef struct {
diff --git a/lib/random/chacha.h b/lib/random/chacha.h
index a98c0b87..22015819 100644
--- a/lib/random/chacha.h
+++ b/lib/random/chacha.h
@@ -1,3 +1,5 @@
+// The ChaCha stream cipher used for pseudorandom number generation
+
 #pragma once
 /*
 chacha-merged.c version 20080118
diff --git a/lib/random/sysrandom.h b/lib/random/sysrandom.h
index 8acec5b7..3d6b800f 100644
--- a/lib/random/sysrandom.h
+++ b/lib/random/sysrandom.h
@@ -1,3 +1,5 @@
+// Logic for using system random numbers
+
 #pragma once
 
 #if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
diff --git a/lib/time/time_defs.h b/lib/time/time_defs.h
index 214c26b9..eac3f23a 100644
--- a/lib/time/time_defs.h
+++ b/lib/time/time_defs.h
@@ -1,3 +1,5 @@
+// Some helper logic for working with times.
+
 #pragma once
 #include <stdlib.h>
 #include <sys/time.h>