Introduction - If you have any usage issues, please Google them yourself
yacc (Yet Another Compiler Compiler), is a Unix/Linux on a compiler to generate compiler (compiler code generator.) yacc compiler-generated key is written in C language parser (Parser), need to be used together with the Lex lexical parser, and then created out of the two parts together compile C programs. yacc on Unix systems already have the only but is now widely transplanted to Windows and other platforms.