perror
From cppreference.com
| Defined in header <stdio.h>
|
||
| void perror( const char *s ); |
||
Prints to stderr the contents of the null-terminated character string pointed to by s (unless s is a null pointer), followed by the two characters ": ", followed by the implementation-defined error message describing the error code currently stored in the system variable errno (identical to the output of strerror(errno)), followed by '\n'.
Contents |
[edit] Parameters
| s | - | pointer to a null-terminated string with explanatory message |
[edit] Return value
(none)
[edit] Example
Run this code
Output:
open(): No such file or directory
[edit] See also
| returns a text version of a given error code (function) | |
| C++ documentation for perror
| |