What is errno in c

No such device or address. Argument list too long. Exec format error. Bad file number. No child processes. Keep Exploring. Related Courses. Learn in-demand tech skills in half the time. Early Access Courses. Assessments New. Free Trial New.

For Business. I have the following function in my. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. How to know what the 'errno' means? Ask Question. Asked 12 years, 9 months ago. Active 1 year ago.

Viewed k times. Improve this question. Peter Mortensen 29k 21 21 gold badges 97 97 silver badges bronze badges. Barth Barth Add a comment. Active Oldest Votes. Improve this answer. Commodore Jaeger Commodore Jaeger It is NOT guaranteed to be reentrant or thread safe 3.

Ivan is correct and Chris in incorrect. MT-Safe or Thread-Safe functions are safe to call in the presence of other threads. Josh Kelley Josh Kelley For reference, here is a list from Ubuntu Pithikos Pithikos Not unless you are doing something odd. Although, errno -l is better for finding them. Fast, does not rely on a recompilation, and works nearly everywhere, including on old machine where errno. Thanks a lot. What does this do? I don't know Perl — Jonathan Lam. The argument -E treats the following quoted code as a Perl script.

If used in string context it yields the corresponding error string. Previous Page. Next Page. Previous Page Print Page. Save Close.