status: draft (2020-06-25)
keywords: Error Handling, Operating SystemSee also SRFI 170: POSIX API and SRFI 198: POSIX system call exceptions.
The majority of POSIX system and library calls
errno to discern the specific cause
of an error, and some require setting it to 0 before calling them.
This SRFI specifies procedures to both retrieve its value, and to