Just skip the tutes and books, and read drafts of the ISO C standard. C99 is the most widely used. For newcomers, C11 might make sense.
Here: http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
Absorb that and then you can play the Game of Spot The Error in C books and tutorials. Not to mention git repos of C programs.
Just skip the tutes and books, and read drafts of the ISO C standard. C99 is the most widely used. For newcomers, C11 might make sense.
Here: http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf
Absorb that and then you can play the Game of Spot The Error in C books and tutorials. Not to mention git repos of C programs.