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3.120 perror

Function

Print an error message for the error in errno.

Header

stdio.h

Declaration

void __fastcall__ perror (const char* s);

Description

perror prints an error message to stderr. If s is not NULL and not an empty string, it is printed followed by a colon and a blank. Then the error message for the current contents of errno is printed followed by a newline. The message output is the same as returned by strerror with an argument of errno.

Limits

  • The function is only available as fastcall function, so it may only be used in presence of a prototype.

Availability

ISO 9899

See also

_poserror, strerror

Example

None.


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