Update cheatsheets

c99

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# c99
+
+> Compiles C programs according to the ISO C standard.
+> More information: <https://manned.org/c99>.
+
+- Compile source file(s) and create an executable:
+
+`c99 {{file.c}}`
+
+- Compile source file(s) and specify the executable [o]utput filename:
+
+`c99 -o {{executable_name}} {{file.c}}`
+
+- Compile source file(s) and create object file(s):
+
+`c99 -c {{file.c}}`
+
+- Compile source file(s), link with object file(s), and create an executable:
+
+`c99 {{file.c}} {{file.o}}`