Standard library header <cerrno>

This header was originally in the C standard library as <errno.h>.

# Notes

Although the header is based on the C standard library header <errno.h>, the majority of the macros defined by were adopted by C++ from the POSIX standard, rather than the C standard library.

# Defect reports

DRApplied toBehavior as publishedCorrect behavior
LWG 288C++98the macro EILSEQ was not defined in defined

# See also