From 536dc5aca75083308d64c1176e28bc2a987956b7 Mon Sep 17 00:00:00 2001
From: NaiJi <naijiworld@protonmail.com>
Date: Thu, 2 May 2024 17:52:00 +0400
Subject: [PATCH] add comments bc i will forget what's going on

---
 The C Programming Language/1.10.c | 2 ++
 The C Programming Language/1.11.c | 4 ++++
 The C Programming Language/1.12.c | 2 ++
 The C Programming Language/1.13.c | 2 ++
 The C Programming Language/1.14.c | 2 ++
 The C Programming Language/1.15.c | 2 ++
 The C Programming Language/1.16.c | 3 +++
 The C Programming Language/1.17.c | 2 ++
 The C Programming Language/1.18.c | 2 ++
 The C Programming Language/1.19.c | 2 ++
 The C Programming Language/1.20.c | 2 ++
 The C Programming Language/1.21.c | 2 ++
 The C Programming Language/1.3.c  | 2 ++
 The C Programming Language/1.4.c  | 1 +
 The C Programming Language/1.5.c  | 2 ++
 The C Programming Language/1.8.c  | 2 ++
 The C Programming Language/1.9.c  | 2 ++
 17 files changed, 36 insertions(+)

diff --git a/The C Programming Language/1.10.c b/The C Programming Language/1.10.c
index 8d5d2b2..950a9e4 100644
--- a/The C Programming Language/1.10.c	
+++ b/The C Programming Language/1.10.c	
@@ -3,6 +3,8 @@
 #define PRINT 0
 #define SKIP  1
 
+// printing control chars
+
 main()
 {
 	int c;
diff --git a/The C Programming Language/1.11.c b/The C Programming Language/1.11.c
index 1496781..c709ecc 100644
--- a/The C Programming Language/1.11.c	
+++ b/The C Programming Language/1.11.c	
@@ -3,6 +3,10 @@
 #define IN 1
 #define OUT 0
 
+// counting words from getstream,
+// doesn't work with backspace
+// (by design)
+
 main()
 {
 	int c, nl, nw, nc, state;
diff --git a/The C Programming Language/1.12.c b/The C Programming Language/1.12.c
index 9d63cbb..1f62fa2 100644
--- a/The C Programming Language/1.12.c	
+++ b/The C Programming Language/1.12.c	
@@ -3,6 +3,8 @@
 #define IN 1
 #define OUT 0
 
+// converting input string to one word per line
+
 main()
 {
 	int c, state, word_ending;
diff --git a/The C Programming Language/1.13.c b/The C Programming Language/1.13.c
index 1a9c403..24f946e 100644
--- a/The C Programming Language/1.13.c	
+++ b/The C Programming Language/1.13.c	
@@ -2,6 +2,8 @@
 
 #define MAX_AMOUNT_OF_LENGTHS 256
 
+// drawing chart of words lengths
+
 main()
 {
 	int c, i, j;
diff --git a/The C Programming Language/1.14.c b/The C Programming Language/1.14.c
index 62e821d..8463be8 100644
--- a/The C Programming Language/1.14.c	
+++ b/The C Programming Language/1.14.c	
@@ -2,6 +2,8 @@
 
 #define MAX_AMOUNT_OF_LENGTHS 256
 
+// drawing chart of chars usage
+
 main()
 {
 	int c, i, j;
diff --git a/The C Programming Language/1.15.c b/The C Programming Language/1.15.c
index a53da8b..77990ca 100644
--- a/The C Programming Language/1.15.c	
+++ b/The C Programming Language/1.15.c	
@@ -1,5 +1,7 @@
 #include <stdio.h>
 
+// creating a function to convert celsius to fahrenheit
+
 double to_fahr(double celsius)
 {
 	return (celsius * 9.0 / 5.0) + 32.0;
diff --git a/The C Programming Language/1.16.c b/The C Programming Language/1.16.c
index 88d96c9..961619d 100644
--- a/The C Programming Language/1.16.c	
+++ b/The C Programming Language/1.16.c	
@@ -2,6 +2,9 @@
 
 #define MAXLINE 10
 
+// forcing getline to output actual amount of characters
+// from input even if it exceedes MAXLINE boundary
+
 int _getline(char line[], int maxline);
 void copy(char to[], char from[]);
 
diff --git a/The C Programming Language/1.17.c b/The C Programming Language/1.17.c
index 2efe276..30a6dd4 100644
--- a/The C Programming Language/1.17.c	
+++ b/The C Programming Language/1.17.c	
@@ -5,6 +5,8 @@
 #define MAXTEXT 3000
 #define SELECTION_LENGTH 10
 
+// output all strings that are longer than MAXLINE
+
 int _getline(char line[], int maxline);
 int copy(char to[], int head, char from[]);
 
diff --git a/The C Programming Language/1.18.c b/The C Programming Language/1.18.c
index f216973..ad79f34 100644
--- a/The C Programming Language/1.18.c	
+++ b/The C Programming Language/1.18.c	
@@ -5,6 +5,8 @@
 int _getline(char line[], int maxline);
 void trim(char to[], char from[], int from_head);
 
+// remove all extra spaces and tabs from tail of input
+
 main()
 {
 	char line[MAXLINE];
diff --git a/The C Programming Language/1.19.c b/The C Programming Language/1.19.c
index 6e68846..e2f429e 100644
--- a/The C Programming Language/1.19.c	
+++ b/The C Programming Language/1.19.c	
@@ -5,6 +5,8 @@
 int _getline(char line[], int maxline);
 void reverse(char to[], char from[], int from_head);
 
+// reversing input string
+
 main()
 {
 	int len;
diff --git a/The C Programming Language/1.20.c b/The C Programming Language/1.20.c
index 9db3a33..966db07 100644
--- a/The C Programming Language/1.20.c	
+++ b/The C Programming Language/1.20.c	
@@ -1,5 +1,7 @@
 #include <stdio.h>
 
+// replacing tabs with spaces so it keeps indentation 
+
 int _getline(char s[], int lim)
 {
 	int c, i, j;
diff --git a/The C Programming Language/1.21.c b/The C Programming Language/1.21.c
index c6dd7f2..b5eb16b 100644
--- a/The C Programming Language/1.21.c	
+++ b/The C Programming Language/1.21.c	
@@ -1,5 +1,7 @@
 #include <stdio.h>
 
+// replacing empty strings consisting of only spaces
+// to tabs and spaces so it keeps initial indentation
 
 int _getline(char s[], int lim)
 {
diff --git a/The C Programming Language/1.3.c b/The C Programming Language/1.3.c
index 26b5591..901a2fa 100644
--- a/The C Programming Language/1.3.c	
+++ b/The C Programming Language/1.3.c	
@@ -1,5 +1,7 @@
 #include <stdio.h>
 
+// converting Fahrenheit to Celsius
+
 main()
 {
 	float fahr, celsius;
diff --git a/The C Programming Language/1.4.c b/The C Programming Language/1.4.c
index 231f85d..664142f 100644
--- a/The C Programming Language/1.4.c	
+++ b/The C Programming Language/1.4.c	
@@ -1,5 +1,6 @@
 #include <stdio.h>
 
+// converting celsius to fahrenheit
 main()
 {
 	float fahr, celsius;
diff --git a/The C Programming Language/1.5.c b/The C Programming Language/1.5.c
index 806e88b..fc88449 100644
--- a/The C Programming Language/1.5.c	
+++ b/The C Programming Language/1.5.c	
@@ -1,5 +1,7 @@
 #include <stdio.h>
 
+// converting fahrenheit to celsius
+
 main()
 {
 	for (int fahr = 300; fahr >= 0; fahr = fahr - 20)
diff --git a/The C Programming Language/1.8.c b/The C Programming Language/1.8.c
index 979ff18..2a16c8f 100644
--- a/The C Programming Language/1.8.c	
+++ b/The C Programming Language/1.8.c	
@@ -1,5 +1,7 @@
 #include <stdio.h>
 
+// counting spaces, tabs and newlines
+
 main()
 {
 	int c;
diff --git a/The C Programming Language/1.9.c b/The C Programming Language/1.9.c
index da10270..bbc56e0 100644
--- a/The C Programming Language/1.9.c	
+++ b/The C Programming Language/1.9.c	
@@ -3,6 +3,8 @@
 #define NORMAL 0
 #define SPACEBARING 1
 
+// trimming excessive spacebars down to one
+
 main()
 {
 	int c;