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#include <stdlib.h>
The <stdlib.h> header defines the following macros:
EXIT_FAILURE
Unsuccessful termination for exit(); evaluates to a non-zero value. See exit(3C).
EXIT_SUCCESS
Successful termination for exit(); evaluates to 0.
NULL
Null pointer.
{RAND_MAX}
Maximum value returned by rand(); at least 32767. See rand(3C).
{MB_CUR_MAX}
Integer expression whose value is the maximum number of bytes in a character specified by the current locale.
The following data types are defined through typedef:
div_t
structure type returned by the div() function
ldiv_t
structure type returned by the ldiv() function
lldiv_t
structure type returned by the lldiv() function
size_t
as described in <stddef.h>
wchar_t
as described in <stddef.h>
See div(3C), which covers div(), ldiv(), and lldiv(), and stddef.h(3HEAD).
In addition, the symbolic names and macros listed below are defined as in <sys/wait.h>, for use in decoding the return value from system(). See wait.h(3HEAD) and system(3C).
WNOHANG WUNTRACED WEXITSTATUS WIFEXITED WIFSIGNALED WIFSTOPPED WSTOPSIG WTERMSIG
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| Interface Stability | Standard |
a64l(3C), abort(3C), abs(3C), atexit(3C), bsearch(3C), div(3C), drand48(3C), exit(3C), getenv(3C), getsubopt(3C), grantpt(3C), malloc(3C), mblen(3C), mbstowcs(3C), mbtowc(3C), mkstemp(3C), ptsname(3C), putenv(3C), qsort(3C), random(3C), realpath(3C), strtod(3C), strtol(3C), strtoul(3C), unlockpt(3C), wcstombs(3C), wctomb(3C), limits.h(3HEAD), math.h(3HEAD), stddef.h(3HEAD), types.h(3HEAD), wait.h(3HEAD), attributes(5), standards(5)