notes

commit 8155bbd4d6cdf2b3f7bde2d8c06f86df892fc532
parent a30a2f999e48817cc3849196521a6d420a705058
Author: Andrew Laack <andrew@laack.co>
Date:   Fri, 17 Oct 2025 15:32:18 -0500

Took some notes on c

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docs/C.md
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docs/printf.md
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diff --git a/docs/C.md b/docs/C.md
@@ -7,6 +7,7 @@ This index tracks c related concepts.
 ### Libraries
 
 - [stdio](stdio.md)
+    - [printf](printf.md)
 
 ### Other
 
diff --git a/docs/printf.md b/docs/printf.md
@@ -0,0 +1,16 @@
+# printf
+
+**Source:** C Programming Book
+
+**Chapter:** 1.1
+
+**Definition:** printf is a general purpose standard output function for printing text and variables.
+
+## Variable Insertion
+
+The following is a non-exhaustive list of formatting options for printf to print out different data types:
+
+- %d - Integer
+- %4d - Right aligned integer with a width of 4
+- %f - Float
+- %6.1f - Float with six characters width one of which is on the right of the decimal.