diff --git a/README.md b/README.md
index 1a3567c..32741b3 100644
--- a/README.md
+++ b/README.md
@@ -22,11 +22,11 @@ Please complete this checklist (turn [ ] into [X]) before you submit:
   - [x] I completed java/compile.sh
   - [x] I completed java/run.sh
   - [x] I completed java/disassemble.sh
-- [ ] I solved the C part:
-  - [ ] I implemented the C code
-  - [ ] I completed c/compile.sh
-  - [ ] I completed c/run.sh
-  - [ ] I completed c/disassemble.sh
+- [x] I solved the C part:
+  - [x] I implemented the C code
+  - [x] I completed c/compile.sh
+  - [x] I completed c/run.sh
+  - [x] I completed c/disassemble.sh
 - [ ] I wrote the source code myself and did not look at the source code of my classmates
 - [ ] I ran test/test.sh and verified that it produces the expected output
 - [ ] I verified that the disassembled instructions appear (not just the function names)
diff --git a/c/compile.sh b/c/compile.sh
index f7d403e..bd22197 100755
--- a/c/compile.sh
+++ b/c/compile.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-# TODO Command to compile main.c with gcc
+gcc -o main ./main.c
\ No newline at end of file
diff --git a/c/disassemble.sh b/c/disassemble.sh
index 8998b77..a06d786 100755
--- a/c/disassemble.sh
+++ b/c/disassemble.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-# TODO Command to disassemble the compiled C program with otool
+otool -xv ./main
\ No newline at end of file
diff --git a/c/main b/c/main
new file mode 100755
index 0000000..a83213b
Binary files /dev/null and b/c/main differ
diff --git a/c/main.c b/c/main.c
index 1abe391..e9cf8ab 100644
--- a/c/main.c
+++ b/c/main.c
@@ -1 +1,6 @@
-// TODO Write C code
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    puts(getenv("USER"));
+}
\ No newline at end of file
diff --git a/c/run.sh b/c/run.sh
index f65e9dd..a56af46 100755
--- a/c/run.sh
+++ b/c/run.sh
@@ -1,3 +1,3 @@
 #!/bin/sh
 
-# TODO Command to run the compiled C program
+./main
\ No newline at end of file