ferror - test error indicator on a stream
int ferror(FILE *stream);
[CX] The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of IEEE Std 1003.1-2001 defers to the ISO C standard.
The ferror() function shall test the error indicator for the stream pointed to by stream.
The ferror() function shall return non-zero if and only if the error indicator is set for stream.
No errors are defined.
clearerr(), feof(), fopen() , the Base Definitions volume of IEEE Std 1003.1-2001, <stdio.h>
First released in Issue 1. Derived from Issue 1 of the SVID.