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Microsoft OS/2 SDK 12-15-1987

/***
*msdos.h - MS-DOS definitions for C runtime
*
*   Copyright (c) 1987, Microsoft Corporation.  All rights reserved.
*
*Purpose:
*   The file contains the MS-DOS definitions (function request numbers,
*   flags, etc.) used by the C runtime.
*   [Internal]
*
*******************************************************************************/

/* __osfile flag values for DOS file handles */

#define FOPEN           0x01    /* file handle open */
#define FEOFLAG         0x02    /* end of file has been encountered */
#define FCRLF           0x04    /* CR-LF across read buffer (in text mode) */
#define FPIPE           0x08    /* file handle refers to a pipe */
#define FRDONLY         0x10    /* file handle associated with read only file */
#define FAPPEND         0x20    /* file handle opened O_APPEND */
#define FDEV            0x40    /* file handle refers to device */
#define FTEXT           0x80    /* file handle is in text mode */

#define DOS_kill        0x00    /* terminate */
#define DOS_echoread    0x01    /* read keyboard and echo */
#define DOS_display     0x02    /* display character */
#define DOS_auxinput    0x03    /* auxiliary input */
#define DOS_auxoutput   0x04    /* auxiliary output */
#define DOS_print       0x05    /* print character */
#define DOS_conio       0x06    /* direct console i/o */
#define DOS_coninput    0x07    /* direct console input */
#define DOS_readkbd     0x08    /* read keyboard */
#define DOS_message     0x09    /* display string */
#define DOS_bufkbdin    0x0a    /* buffered keyboard input */
#define DOS_kbdstatus   0x0b    /* check keyboard status */
#define DOS_flshread    0x0c    /* flush buffer and read keyboard */
#define DOS_diskreset   0x0d    /* disk reset */
#define DOS_selectdisk  0x0e    /* select default disk */
#define DOS_fcbopen     0x0f    /* open file with fcb */
#define DOS_fcbclose    0x10    /* close file with fcb */
#define DOS_fcbfirst    0x11    /* search for first entry with fcb */
#define DOS_fcbnext     0x12    /* search for next entry with fcb */
#define DOS_fcbdelete   0x13    /* delete file with fcb */
#define DOS_fcbsread    0x14    /* sequential read with fcb */
#define DOS_fcbswrite   0x15    /* sequential write with fcb */
#define DOS_fcbcreate   0x16    /* create file with fcb */
#define DOS_fcbrename   0x17    /* rename file with fcb */
#define DOS_currentd    0x19    /* current default disk */
#define DOS_setDMA      0x1a    /* set DMA */
#define DOS_fcbrread    0x21    /* random read with fcb */
#define DOS_fcbrwrite   0x22    /* random write with fcb */
#define DOS_fcbsize     0x23    /* file size with fcb */
#define DOS_fcbsetrec   0x24    /* set relative record with fcb */
#define DOS_setvector   0x25    /* set interrupt vector */
#define DOS_fcbbread    0x27    /* random block read with fcb */
#define DOS_fcbbwrite   0x28    /* random block write with fcb */
#define DOS_fcbparse    0x29    /* parse file name with fcb */
#define DOS_getdate     0x2a    /* get date */
#define DOS_setdate     0x2b    /* set date */
#define DOS_gettime     0x2c    /* get time */
#define DOS_settime     0x2d    /* set time */
#define DOS_verify      0x2e    /* set/reset verify flag */
#define DOS_getDMA      0x2f    /* get DMA */
#define DOS_version     0x30    /* get version number */
#define DOS_keep        0x31    /* keep process */
#define DOS_cntlc       0x33    /* Cntl-C check */
#define DOS_getvector   0x35    /* get interrupt vector */
#define DOS_getdskspc   0x36    /* get disk free space */
#define DOS_country     0x38    /* get country dependent info */
#define DOS_mkdir       0x39    /* make subdirectory */
#define DOS_rmdir       0x3a    /* remove subdirectory */
#define DOS_chdir       0x3b    /* change subdirectory */
#define DOS_create      0x3c    /* create pathname */
#define DOS_open        0x3d    /* open pathname */
#define DOS_close       0x3e    /* close file handle */
#define DOS_read        0x3f    /* read from file handle */
#define DOS_write       0x40    /* write from file handle */
#define DOS_delete      0x41    /* delete pathname */
#define DOS_lseek       0x42    /* move file pointer */
#define DOS_filemode    0x43    /* get/set attributes of pathname */
#define DOS_ioctl       0x44    /* ioctl for devices */
#define DOS_dup         0x45    /* duplicate file handle */
#define DOS_forcedup    0x46    /* force duplicate file handle */
#define DOS_curdir      0x47    /* get current directory */
#define DOS_allocmem    0x48    /* allocate memory block */
#define DOS_freemem     0x49    /* free memory block */
#define DOS_setmem      0x4a    /* set size of memory block */
#define DOS_exec        0x4b    /* load and execute program */
#define DOS_terminate   0x4c    /* terminate process with errorcode */
#define DOS_wait        0x4d    /* get child process return code */
#define DOS_findfirst   0x4e    /* find first file match */
#define DOS_findnext    0x4f    /* find next file match */
#define DOS_getverify   0x54    /* return current verify flag */
#define DOS_rename      0x56    /* rename pathname */
#define DOS_filedate    0x57    /* get/set file handle date/time */
#define DOS_locking     0x5C    /* file record locking/unlocking */
#define DOS_sleep       0x89    /* delay process execution */

/* DOS errno values for setting __doserrno in C routines */

#define E_ifunc     1   /* invalid function code */
#define E_nofile    2   /* file not found */
#define E_nopath    3   /* path not found */
#define E_toomany   4   /* too many open files */
#define E_access    5   /* access denied */
#define E_ihandle   6   /* invalid handle */
#define E_arena     7   /* arena trashed */
#define E_nomem     8   /* not enough memory */
#define E_iblock    9   /* invalid block */
#define E_badenv    10  /* bad environment */
#define E_badfmt    11  /* bad format */
#define E_iaccess   12  /* invalid access code */
#define E_idata     13  /* invalid data */
#define E_unknown   14  /* ??? unknown error ??? */
#define E_idrive    15  /* invalid drive */
#define E_curdir    16  /* current directory */
#define E_difdev    17  /* not same device */
#define E_nomore    18  /* no more files */
#define E_maxerr2   19  /* unknown error - Version 2.0 */
#define E_sharerr   32  /* sharing violation */
#define E_lockerr   33  /* locking violation */
#define E_maxerr3   34  /* unknown error - Version 3.0 */

/* DOS file attributes */

#define A_RO    0x1     /* read only */
#define A_H     0x2     /* hidden */
#define A_S     0x4     /* system */
#define A_V     0x8     /* volume id */
#define A_D     0x10    /* directory */
#define A_A     0x20    /* archive */

#define A_MOD   (A_RO+A_H+A_S+A_A)      /* changeable attributes */

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