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CPM OPERATING SYSTEMS/CPM 68K/1.0X SOURCES/v101/doc/cerrors.rno

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+.appendix CP/M Error Codes
+.title CP/M Error Codes
+.subtitle
+.page
+.c
+CP/M Error Codes
+.c
+----------------
+.bl 1
+.i 5
+The "perror" function and the "errno" external variable are used to determine
+the exact cause of an error during a CP/M system call.  The include file
+<errno.h> contains symbolic definitions for the errors returned by CP/M.
+Following is a table of error numbers, symbolic names, and messages available
+from perror:
+.bl 1
+.lm 8
+.nofill
+Number	Name		Error Message
+------	----		-------------
+   0	 -		Error Undefined on CP/M
+   1	 -		Error Undefined on CP/M
+   2	ENOENT		No Such File
+   3	 -		Error Undefined on CP/M
+   4	 -		Error Undefined on CP/M
+   5	EIO		I/O Error
+   6	 -		Error Undefined on CP/M
+   7	E2BIG		Arg List too Long
+   8	 -		Error Undefined on CP/M
+   9	EBADF		Bad file Number
+  10	 -		Error Undefined on CP/M
+  11	 -		Error Undefined on CP/M
+  12	ENOMEM		Not enough core
+  13	EACCES		Permission denied
+  14	 -		Error Undefined on CP/M
+  15	 -		Error Undefined on CP/M
+  16	 -		Error Undefined on CP/M
+  17	 -		Error Undefined on CP/M
+  18	 -		Error Undefined on CP/M
+  19	 -		Error Undefined on CP/M
+  20	 -		Error Undefined on CP/M
+  21	 -		Error Undefined on CP/M
+  22	EINVAL		Invalid argument
+  23	ENFILE		File table overflow
+  24	EMFILE		Too many open files
+  25	ENOTTY		Not a typewriter
+  26	 -		Error Undefined on CP/M
+  27	EFBIG		File too big
+  28	ENOSPC		No space left on device
+  29	 -		Error Undefined on CP/M
+  30	EROFS		Read-only file system
+  31	 -		Error Undefined on CP/M
+  32	 -		Error Undefined on CP/M
+  33	 -		Error Undefined on CP/M
+  34	 -		Error Undefined on CP/M
+  35	ENODSPC		No directory space
+.bl 1
+.lm 0
+.fill
+<errno.h> also includes the UNIX defined names for all errors defined with
+UNIX V7, so that programs which reference these definitions need not be
+changed.