3.151 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.