# EXIT_SUCCESS, EXIT_FAILURE

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< cpp‎ | utility‎ | program

Defined in header `<cstdlib>` |  |
#define EXIT_SUCCESS /*implementation defined*/ |  |
#define EXIT_FAILURE /*implementation defined*/ |  |

The `EXIT_SUCCESS` and `EXIT_FAILURE` macros expand into integral expressions that can be used as arguments to the std::exit function (and, therefore, as the values to return from the main function), and indicate program execution status.

Constant | Explanation
`EXIT_SUCCESS` | successful execution of a program
`EXIT_FAILURE` | unsuccessful execution of a program

### Notes

Both `EXIT_SUCCESS` and the value zero indicate successful program execution status (see std::exit), although it is not required that `EXIT_SUCCESS` equals zero.

### See also

C documentation for EXIT_SUCCESS, EXIT_FAILURE

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