M Muhammad Younus Shahzad Guest Jan 13, 2009 #1 this is computer compiler related problem and please give logical and concise answer
F feynman_rocks Guest Jan 13, 2009 #2 When the lexer is running calling yylex() returns the next token from the lexer (which gets it from the input stream).
When the lexer is running calling yylex() returns the next token from the lexer (which gets it from the input stream).
