Muy malo esconder punteros con typedefs!!!
Merge branch 'master' of https://github.com/joseignaciosg/TP2-CRIPTO2013
Merge branch 'master' of https://github.com/joseignaciosg/TP2-CRIPTO2013
funciones para leer un BMP
corrected header guard
improved get_file_size to reset the pointer to its former position