A common task for a program is to read data from a file. To read from a text file in C, you will need to open a file stream using the fopen() function. Once a file stream has been opened, you can then ...

How can we apply these techniques with C? By default, every function defined in C is globally accessible. The closest thing C has to a module is a source (.c) file. We can encapsulate functions and ...

Library functions are linked to the program and tend to be more portable since they are not bound to the kernel implementation. However, many library functions use system calls to perform various ...