Obtain error message corresponding to error number

[Classification]

Standard library

[Syntax]

#include <string.h>

char __far * __far strerror(int errnum);

[Return value]

Returns the pointer to the string of the error message corresponding to errnum.

If there is no corresponding error message, the null pointer is returned.

[Description]

Obtain error message corresponding to error number errnum. The error message should not be changed from the application program.