Updated argument_parsing.h

userprog/argument_parsing.h

@@ -13,9 +13,10 @@ int parse_arguments(const char* command_line, char***argv);
 /*
  * Given stack pointer `esp`, argument count `argc` and arguments array `argv`,
  * Populates the stack pointed to by the stack pointer with the given arguments.
- * TODO: clarify what, if anything, `esp` stands for and rename it to something
- * clearer if possible.
+ * esp is the initial stack pointer from process.c,
+ * I have used stackPointer as the name as that makes sense inside populate_stack,
+ * In process.c esp has been renamed to initialStackPointer
  */
-void populate_stack(void* esp, int argc, char** argv);
+void populate_stack(void* stackPointer, int argc, char** argv);
 
 #endif /* userprog/argument_parsing.h */