#506 Check return codes everywhere

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nobody
None
5
2012-09-15
2007-02-05
Markus Elfring
No

Some checks for return codes are missing.

Examples:
Would you like to add more error handling for return values from "fprintf" like in the functions "awk_load_program_file"?
http://xastir.cvs.sourceforge.net/xastir/xastir/src/awk.c?revision=1.35&view=markup

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