Introduction - If you have any usage issues, please Google them yourself
# Include <stdio.h># Include <string.h># Include <limits.h># Include <unistd.h># Include <sys/types.h># Define PROMPT_STRING [myshell] $ # define QUIT_STRING exit static char inbuf [MAX_CANON] char* g_ptr char* g_lim extern void yylex () int main (void) (for () (if (fputs (PROMPT_STRING, stdout) == EOF) continue if (fgets (inbuf, MAX_CANON, stdin) == NULL) continue if (strcmp (inbuf, QUIT_STRING) == 0) break g_ptr = inbuf g_lim = inbuf+ strlen (inbuf) yylex ()) return 0)