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In C programming, the functions getaddrinfo() and getnameinfo() convert domain names, hostnames, and IP addresses between human-readable text representations and structured binary formats for the operating system's networking API. Both functions are contained in the POSIX standard application programming interface (API). [1]
When a process refers to a file using a path that does not begin with a / (forward slash), the path is interpreted as relative to the process's working directory. So for example a process with working directory /rabbit-shoes that asks to create the file foo.txt will end up creating the file /rabbit-shoes/foo.txt.
For example: CD "C:.\Program Files" works the same as CD "C:/Program Files" Also, from a root folder: CD "C:.\Program Files.\Internet Explorer" would be treated the same as CD "C:/Program Files/Internet Explorer" If there is no relative path to the directory name specified with forward slashes you will get the following error:
Path hashing speeds up the C shell's search for executable files. Rather than performing a filesystem call in each path directory, one at a time, until it either finds the file or runs out of possibilities, the C shell consults an internal hash table built by scanning the path directories.
The C standard library is declared as a collection of header files. The C++ standard library is similar, but the declarations may be provided by the compiler without reading an actual file. C standard header files are named with a .h file name extension, as in #include <stdio.h>. Typically, custom C header files have the same extension.
This variable points to the Common Files subdirectory of the Program Files directory. The default on English-language systems is " C:\Program Files\Common Files ". In 64-bit editions of Windows (XP, 2003, Vista), there are also %ProgramFiles(x86)% , which defaults to " C:\Program Files (x86) ", and %ProgramW6432% , which defaults to " C ...
The C programming language provides many standard library functions for file input and output.These functions make up the bulk of the C standard library header <stdio.h>. [1] The functionality descends from a "portable I/O package" written by Mike Lesk at Bell Labs in the early 1970s, [2] and officially became part of the Unix operating system in Version 7.
A socket is an abstract representation for the local endpoint of a network communication path. The Berkeley sockets API represents it as a file descriptor in the Unix philosophy that provides a common interface for input and output to streams of data.