GitHub - pawanpraka1/hacking_stack: can one function access the local variable of other function?

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can one function access the local variable of other function?

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Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
Makefile		Makefile
README		README
context_asm.S		context_asm.S
ctx_switch.c		ctx_switch.c

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Can one function access the local variable of other? No, right?
Look at the code and figure out how function "funa" is using local variable "i" of funb. 

To understand how the context switch works first go through stack_exploit (https://github.com/pawanpraka1/stack_exploit.git).