Remove HTTP headers from gzip or zip on stdin yy054 (revised)

.

      /* remove HTTP headers from multiple gzip or single zip from stdin */
    
     int fileno (FILE *);
     int setenv (const char *, const char *, int);
     #define jmp (yy_start) = 1 + 2 *
     int show_headers;
    %option nounput noinput noyywrap
    %%
    HTTP\/[01]\.[\15\12\40-\176]{0,1024}\r\n\r\n if(show_headers){fwrite(yytext,1,yyleng,yyout);putc(10,yyout);};
    .|\n if(!show_headers)fwrite(yytext,1,yyleng,yyout);
    %%
    int main(int argc,char *argv[])
    { 
    if(argc)if(argv[0])
    if(argv[1])show_headers++;
    yylex();
    exit(0);
    }