Done C part

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)

c/compile.sh

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-# TODO Command to compile main.c with gcc
+gcc -o main ./main.c

c/disassemble.sh

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-# TODO Command to disassemble the compiled C program with otool
+otool -xv ./main

c/main.c

@@ -1 +1,6 @@
-// TODO Write C code
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    puts(getenv("USER"));
+}

c/run.sh

@@ -1,3 +1,3 @@
 #!/bin/sh
 
-# TODO Command to run the compiled C program
+./main