ferror - test error indicator on a stream
#include <stdio.h> int ferror(FILE *stream);
The ferror() function tests the error indicator for the stream pointed to by stream.
The ferror() function returns non-zero if and only if the error indicator is set for stream.
No errors are defined.
None.
None.
None.
clearerr(), feof(), fopen(), <stdio.h>.
Derived from Issue 1 of the SVID.