EXIT_SUCCESS
Section: Misc. Reference Manual Pages (3const)
Updated: 2022-11-17
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NAME
EXIT_SUCCESS, EXIT_FAILURE - termination status constants
LIBRARY
Standard C library
(libc)
SYNOPSIS
#include <stdlib.h>
#define EXIT_SUCCESS 0
#define EXIT_FAILURE /* nonzero */
DESCRIPTION
EXIT_SUCCESS
and
EXIT_FAILURE
represent a successful and unsuccessful exit status respectively,
and can be used as arguments to the
exit(3)
function.
CONFORMING TO
C99 and later;
POSIX.1-2001 and later.
EXAMPLES
#include <stdio.h>
#include <stdlib.h>
int
main(int argc, char *argv[])
{
FILE *fp;
if (argc != 2) {
fprintf(stderr, "Usage: %s <file>\n", argv[0]);
exit(EXIT_FAILURE);
}
if ((fp = fopen(argv[1], "r")) == NULL) {
perror(argv[1]);
exit(EXIT_FAILURE);
}
/* Other code omitted */
fclose(fp);
exit(EXIT_SUCCESS);
}
SEE ALSO
exit(3),
sysexits.h(3head)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- CONFORMING TO
-
- EXAMPLES
-
- SEE ALSO
-
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