Add graph references

2026-06-28 13:49:01 +01:00
parent 0a9807e448
commit a11edf0c53
2578 changed files with 868045 additions and 0 deletions
@@ -0,0 +1,141 @@
+#ifndef SYSDEP_H_INCLUDED
+#include "sysdep1.h"
+#endif
+#include "stdio.h"
+#include "errno.h"
+#ifndef NULL
+/* ANSI C */
+#include "stddef.h"
+#endif
+
+#ifndef SEEK_SET
+#define SEEK_SET 0
+#define SEEK_CUR 1
+#define SEEK_END 2
+#endif
+
+#ifndef FOPEN
+#define FOPEN fopen
+#endif
+
+#ifndef FREOPEN
+#define FREOPEN freopen
+#endif
+
+#ifndef FSEEK
+#define FSEEK fseek
+#endif
+
+#ifndef FSTAT
+#define FSTAT fstat
+#endif
+
+#ifndef FTELL
+#define FTELL ftell
+#endif
+
+#ifndef OFF_T
+#define OFF_T long
+#endif
+
+#ifndef STAT_ST
+#define STAT_ST stat
+#endif
+
+#ifndef STAT
+#define STAT stat
+#endif
+
+#ifdef MSDOS
+#ifndef NON_UNIX_STDIO
+#define NON_UNIX_STDIO
+#endif
+#endif
+
+#ifdef UIOLEN_int
+typedef int uiolen;
+#else
+typedef long uiolen;
+#endif
+
+/*units*/
+typedef struct
+{	FILE *ufd;	/*0=unconnected*/
+	char *ufnm;
+#ifndef MSDOS
+	long uinode;
+	int udev;
+#endif
+	int url;	/*0=sequential*/
+	flag useek;	/*true=can backspace, use dir, ...*/
+	flag ufmt;
+	flag urw;	/* (1 for can read) | (2 for can write) */
+	flag ublnk;
+	flag uend;
+	flag uwrt;	/*last io was write*/
+	flag uscrtch;
+} unit;
+
+#undef Void
+#ifdef KR_headers
+#define Void /*void*/
+extern int (*f__getn)();	/* for formatted input */
+extern void (*f__putn)();	/* for formatted output */
+extern void x_putc();
+extern long f__inode();
+extern VOID sig_die();
+extern int (*f__donewrec)(), t_putc(), x_wSL();
+extern int c_sfe(), err__fl(), xrd_SL(), f__putbuf();
+#else
+#define Void void
+#ifdef __cplusplus
+extern "C" {
+#endif
+extern int (*f__getn)(void);	/* for formatted input */
+extern void (*f__putn)(int);	/* for formatted output */
+extern void x_putc(int);
+extern long f__inode(char*,int*);
+extern void sig_die(const char*,int);
+extern void f__fatal(int, const char*);
+extern int t_runc(alist*);
+extern int f__nowreading(unit*), f__nowwriting(unit*);
+extern int fk_open(int,int,ftnint);
+extern int en_fio(void);
+extern void f_init(void);
+extern int (*f__donewrec)(void), t_putc(int), x_wSL(void);
+extern void b_char(const char*,char*,ftnlen), g_char(const char*,ftnlen,char*);
+extern int c_sfe(cilist*), z_rnew(void);
+extern int err__fl(int,int,const char*);
+extern int xrd_SL(void);
+extern int f__putbuf(int);
+#endif
+extern flag f__init;
+extern cilist *f__elist;	/*active external io list*/
+extern flag f__reading,f__external,f__sequential,f__formatted;
+extern int (*f__doend)(Void);
+extern FILE *f__cf;	/*current file*/
+extern unit *f__curunit;	/*current unit*/
+extern unit f__units[];
+#define err(f,m,s) {if(f) errno= m; else f__fatal(m,s); return(m);}
+#define errfl(f,m,s) return err__fl((int)f,m,s)
+
+/*Table sizes*/
+#define MXUNIT 100
+
+extern int f__recpos;	/*position in current record*/
+extern OFF_T f__cursor;	/* offset to move to */
+extern OFF_T f__hiwater;	/* so TL doesn't confuse us */
+#ifdef __cplusplus
+	}
+#endif
+
+#define WRITE	1
+#define READ	2
+#define SEQ	3
+#define DIR	4
+#define FMT	5
+#define UNF	6
+#define EXT	7
+#define INT	8
+
+#define buf_end(x) (x->_flag & _IONBF ? x->_ptr : x->_base + BUFSIZ)