Add C

c/.gitignore

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+*.o
+example

c/.vscode/extensions.json

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+{
+  "recommendations": ["llvm-vs-code-extensions.vscode-clangd"]
+}

c/.vscode/settings.json

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+{
+  "editor.tabSize": 2,
+  "editor.insertSpaces": false,
+
+  "files.insertFinalNewline": true,
+  "files.trimFinalNewlines": true,
+  "files.trimTrailingWhitespace": true
+}

c/Makefile

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+CC      = gcc
+CFLAGS  = -std=c11 -pedantic
+LDFLAGS =
+RM      = rm
+
+SOURCES = $(wildcard src/*.c)
+OBJETS  = $(patsubst %.c,%.c.o,$(notdir $(SOURCES)))
+
+EXE     = example
+
+%.c.o: src/%.c
+	$(CC) -c $< -o $@ $(CFLAGS) $(DEVFLAGS)
+
+main: CFLAGS += -O3
+main: compilation
+
+dev: CFLAGS += -Wall -Wextra -Wshadow -Wcast-align -Wstrict-prototypes
+dev: CFLAGS += -fanalyzer -fsanitize=undefined -g -Og
+dev: LDFLAGS += -fsanitize=undefined
+dev: compilation
+
+compilation: $(OBJETS)
+	$(CC) -o $(EXE) $(OBJETS) $(LDFLAGS)
+
+all:
+	main
+
+clean:
+	$(RM) $(OBJETS) $(EXE)

c/includes/example.h

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+#ifndef PROJECT_EXAMPLE_H
+#define PROJECT_EXAMPLE_H 1
+
+#include <stdio.h>
+
+void example();
+
+#endif

c/src/example.c

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+#include "../includes/example.h"
+
+void example() { printf("Hello, world!\n"); }

c/src/main.c

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+#include "../includes/example.h"
+
+int main(int argc, char const *argv[]) {
+  example();
+
+  return 0;
+}