#include <stdio.h>void perror(const char *str);

The perror( ) function maps the value of the global variable errno onto a string and writes that string to stderr. If the value of str is not null, that string is written first, followed by a colon, and then the implementation-defined error message.

C(s)C++ Programmer's Reference
C Programming on the IBM PC (C Programmers Reference Guide Series)
ISBN: 0673462897
EAN: 2147483647
Year: 2002
Pages: 539 © 2008-2017.
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