perror
From cppreference.com
Defined in header
<stdio.h>
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void perror( const char *s );
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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) |
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C++ documentation for perror
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