Man, I am at Low Level Academy and our teacher(instructor) is really good, he teaches with jokes and fun. I really love his programs because he writes them neatly, easy to digest, and so nice when you get to the bottom of his code, Thanks to my teacher(instructor).
Well, I love writing to files because this is how I get to know file descriptors. File descriptors are these integer values assigned to any file given and used by the kernel to reference in execution. So if I write to FD 0, well I am writing to STDIN, then FD 1 for STDOUT, then FD 2 for STDERROR.
This has the definitions needed at link time. The compiler needs the declarations at compile time. We use header files to by pass errors at compile time, errors like "Where is foo()" from the compiler. Then another C file to store our definitions so that the linker can link against the file with the function(functionality).
This is the header file I am yapping about.
This makes a file, then validates its content with stat struct. So it basically fstat(reads) content form the file into a stat instance then we compare that data against that actual value we got from our struct as you will see in the code. Then we compare filesize. If not match, "GO AWAY HACKER".
This is infact the most code snippet so nice that I really love it. This program does the realloc but explicit in a way that it calles realloc in itself, then reallocates memory to a given (pointer, size). Thanks to my teacher(instructor), Ed.
If C++ makes games can't C make games too. I really learnt this from a popular YouTuber, BroCode. He taught me function logic(DRY)Don't Repeat Yourself. This makes a board, you play, and it clears. That alone is logic. Coding is fun guys, try it.
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