Difference Between exit(0) and exit(1)

In this post, we will understand the difference between exit(0) and exit(1).

exit(0)

• It is portable.

• It tells about the successful termination or completion of the program.

• It tells about the termination when the program is executed without any errors.

• The ‘EXIT_SUCCESS’ macro is used to return code 0.

• The ‘EXIT_SUCCESS’ can be defined as standard as zero.

Syntax

exit(0);

exit(1)

• It is not portable.

• It tells about the abnormal termination of the program.

• It tells about the termination if the program exited with certain error when the program was being executed.

• The ‘EXIT_FAILURE’ macro is used to return code 1.

• It is not restrict by standard to be 1 only.

• It can be used based on how the system implements it.

Syntax

exit(1);