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/* types.h - basic types
*/
#define NULL 0
#define MAXPATHLEN 80 /* JOIN.C */
#define MAXARG 80 /* ERRTST.C */
#define CURDISK 0x19 /* ERRTST.C */
#define GETVERS 0x30 /* MAIN.C */
#define GETVARS 0x52 /* SYSVAR.C */
#define IOCTL9 0x4409 /* ERRTST.C */
#define SwitChr '/' /* JOIN.C & SUBST.C */
#define PathChr '\\' /* SUBST.C */
#define COLON ':' /* ERRTST.C */
#define BACKSLASH '\\' /* ERRTST.C */
#define ASCNULL '\0' /* ERRTST.C */
#define IBMSPACE(c) ((c)==','||(c)==';'||(c)=='='||(c)==0x08||(c)==0x0a)
#define IBMBREAK(c) ((c) == '/' || CMDSPACE((c)))
#define CMDBREAK(c) IBMBREAK((c))
#define CMDSPACE(c) (isspace((c)) || IBMSPACE((c)))
#define SHIFT(c,v) {c--; v++;}
/* The following structure is a UNIX file block that retains information
* about a file being accessed via the level 1 I/O functions.
*/
struct UFB
{
char ufbflg ; /* flags */
char ufbtyp ; /* device type */
int ufbfh ; /* file handle */
};
#define NUFBS 20 /* number of UFBs defined */
/* UFB.ufbflg definitions */
#define UFB_OP 0x80 /* file is open */
#define UFB_RA 0x40 /* reading is allowed */
#define UFB_WA 0x20 /* writing is allowed */
#define UFB_NT 0x10 /* access file with no translation */
#define UFB_AP 8 /* append mode flag */
/* UFB.ufbtyp definitions */
#define D_DISK 0
#define D_CON 1
#define D_PRN 2
#define D_AUX 3
#define D_NULL 4
#define TRUE -1
#define FALSE 0
#define SETFLAG(l,f) ((l) |= (f))
#define TESTFLAG(v,f) (((v)&(f))!=0)
#define RSETFLAG(l,f) ((l) &= ~(f))
#define LOW(w) ((w)&0xFF)
#define HIGH(w) LOW((w)>>8)
#define WORD(h,l) ((LOW((h))<<8)|LOW((l)))
/* buffer description for findfirst and findnext */
struct findType {
char reserved[21]; /* reserved for start up */
char attr; /* attribute found */
unsigned int time; /* time of last modify */
unsigned int date; /* date of last modify */
long length; /* file size */
char name[13]; /* asciz file name */
};
/* attributes */
#define A_RO 1 /* read only */
#define A_H 2 /* hidden */
#define A_S 4 /* system */
#define A_V 8 /* volume id */
#define A_D 16 /* directory */
#define A_A 32 /* archive */
#define A_MOD (A_RO+A_H+A_S+A_A) /* changeable attributes */
#define HASATTR(a,v) TESTFLAG(a,v) /* true if a has attribute v */
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