PutcharA
PutcharA is a name used in some programming language discussions to denote an extended variant of the standard putchar function. It is intended to write a single character to the program's standard output, similarly to putchar, but with possible enhancements or teaching-oriented features. Because it is not part of a formal standard, its exact behavior depends on the language or library implementing it.
Commonly, putcharA is described with a signature such as int putcharA(int ch) in C-like pseudocode. On success,
Usage and portability: It is generally non-standard and used mainly in educational materials or experimental libraries.