<errno.h>: System Errors


Defines

#define EDOM   33
#define ERANGE   34

Detailed Description

 #include <errno.h>

Some functions in the library set the global variable errno when an error occurs. The file, <errno.h>, provides symbolic names for various error codes.

Warning:
The errno global variable is not safe to use in a threaded or multi-task system. A race condition can occur if a task is interrupted between the call which sets error and when the task examines errno. If another task changes errno during this time, the result will be incorrect for the interrupted task.

Define Documentation

#define EDOM   33

Domain error.

Definition at line 65 of file errno.h.

#define ERANGE   34

Range error.

Definition at line 71 of file errno.h.


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