Tutorial by Examples

POSIX stands for "Portable Operating System Interface" and defines a set of standards to provide compatibility between different computing platforms. The current version of the standard is IEEE 1003.1 2016 and can be accessed from the OpenGroup POSIX specification. Previous versions incl...

A simple Hello, World program without error checking: #include <unistd.h> /* For write() and STDOUT_FILENO */ #include <stdlib.h> /* For EXIT_SUCCESS and EXIT_FAILURE */ int main(void) { char hello[] = "Hello, World\n"; /* Attempt to write `hell...