add directory study

This commit is contained in:
gohigh
2024-02-19 00:25:23 -05:00
parent b1306b38b1
commit f3774e2f8c
4001 changed files with 2285787 additions and 0 deletions

View File

@@ -0,0 +1,21 @@
extern ndptr hashtab[]; /* hash table for macros etc. */
extern char buf[]; /* push-back buffer */
extern char *bp; /* first available character */
extern char *endpbb; /* end of push-back buffer */
extern stae mstack[]; /* stack of m4 machine */
extern char *ep; /* first free char in strspace */
extern char *endest; /* end of string space */
extern int sp; /* current m4 stack pointer */
extern int fp; /* m4 call frame pointer */
extern FILE *infile[]; /* input file stack (0=stdin) */
extern FILE *outfile[]; /* diversion array(0=bitbucket)*/
extern FILE *active; /* active output file pointer */
extern char *m4temp; /* filename for diversions */
extern int ilevel; /* input file stack pointer */
extern int oindex; /* diversion index.. */
extern char *null; /* as it says.. just a null.. */
extern char *m4wraps; /* m4wrap string default.. */
extern char lquote; /* left quote character (`) */
extern char rquote; /* right quote character (') */
extern char scommt; /* start character for comment */
extern char ecommt; /* end character for comment */