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# Error numbers

From cppreference.com
< c‎ | error

Each of the macros defined in `<errno.h>` expands to integer constant expressions with type int, each with a unique positive value. The following constants are defined (the implementation may define more, as long as they begin with 'E' followed by digits or uppercase letters)

Defined in header `<errno.h>`
EDOM | Mathematics argument out of domain of function (macro constant)
EILSEQ (C99) | Illegal byte sequence (macro constant)
ERANGE | Result too large (macro constant)

### [edit] Example

| This section is incomplete Reason: no example

### [edit] See also

errno | macro which expands to POSIX-compatible thread-local error number variable (macro variable) [edit]
perror | displays a character string corresponding of the current error to stderr (function) [edit]
strerror | returns a text version of a given error code (function) [edit]

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