errno.h is a header file in the standard library of the C programming language. It defines macros for reporting and retrieving error conditions using...

computing, "Not a typewriter" or ENOTTY is an error code defined in the errno.h found on many Unix systems. This code is now used to indicate that an invalid...

not all) functions raise exceptions on errors. Some also set errno. A few functions set errno, but do not raise an exception. A very few functions do neither...

#include <stdio.h> #include <errno.h> #include <string.h> #include <sys/socket.h> #include <sys/types.h> #include <netinet/in.h> #include <unistd.h> /* for close()...

and values of error codes. Examples include: Unix-like systems have an errno.h header file that contains the meanings and values of error codes returned...

in a project to include at least one .h file: the standard header file errno.h is an example, making the errno variable accessible to all modules in a...

In the C and C++ programming languages, unistd.h is the name of the header file that provides access to the POSIX operating system API. It is defined...

stdarg.h is a header in the C standard library of the C programming language that allows functions to accept an indefinite number of arguments. It provides...

operating system (in this case, errno.h), while the underlying system calls have succeeded and report no errors (in this case, errno == 0). This is a form of...

assert.h is a header file in the C standard library. It defines the C preprocessor macro assert and implements runtime assertion in C. assert.h is defined...