Add exit with value function#3

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yunjuc wants to merge 6 commits into

Commits on Nov 18, 2017

Add exit with value function
Yunju Chen
committed
Add free(line) to else case
Yunju Chen
committed

Commits on Nov 20, 2017

Fix exit_b memory leak issue, add _atoi() to hblib and update header file
Yunju Chen
committed
Add _atoi to hblib.c file
Yunju Chen
committed
Move atoi out of hblib.c b/c Betty warning
Yunju Chen
committed
Add another double_free() to exit_b
Yunju Chen
committed