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C stdlib exit() Function

❮ C stdlib Library


Example

Stop the program if not authorized:

int myAge = 25;
int votingAge = 18;

if(myAge < votingAge) {
  printf("Not authorized");
  exit(0);
}

printf("Age verified. Continue this way.");
Try it Yourself »

Definition and Usage

The exit() function stops the program and sends a code to the operating system.

The exit() function is defined in the <stdlib.h> header file.


Syntax

exit(int status);

Parameter Values

Parameter Description
status Required. An integer specifying the state of the program when it ended.
If the program was expected to end at this point then 0 or the constant EXIT_SUCCESS should be used.
If the program had to end because of an error then the constant EXIT_FAILURE should be used.

❮ C stdlib Library

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