| Symbol | Specification | Kind | Type |
|---|---|---|---|
| ⌊ . ⌋ | error-class | p | error |
| EACCESS | error | c | error |
| EBADFD | error | c | error |
| ECOMMIT | error | c | error |
| EEXISTS | error | c | error |
| EFAIL | error | c | error |
| EINVAL | error | c | error |
| EIO | error | c | error |
| EISDIR | error | c | error |
| ENOENT | error | c | error |
| ENOMEM | error | c | error |
| ENOSPC | error | c | error |
| ENOTDIR | error | c | error |
| ENOTEMPTY | error | c | error |
| EROFS | error | c | error |
| ERR | error-class | v | error,flexible |
| ERR0 | error-class | v | error,flexible |
| ESUCCESS | error | c | error |
| EUCLEAN | error | c | error |
| err | error | v | error |
| err0 | error | v | error |
| err1 | error | v | error |
| error | error | s | |
| fail# | error-class | pr | : : error (nondeterministic) |
| fail_or_success# | error-class | pr | : : error (nondeterministic) |