Program to find the Epsilon closure of all states of an NFA

This program takes the NFA as input and outputs the epsilon-closure of all the states. NFA is described in a text file.The comments in the are important. It plays a role during parsing. This format should be adhered strictly. Please feel free to point out any bugs.

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nfa.txt
//states
q0 q1 q2
//input_symbols
0 1
//start_state
q0
//final_state
q2
//transitions of the form : intial_state  input  final_state
q0 0 q0
q0 e q1
q1 1 q1
q1 e q2
q2 2 q2

program.c


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