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#include <stdio.h>
#include <unistd.h>
#include <limits.h>
#include <time.h>
#include <errno.h>
#include <sys/limits.h>
long
sysconf(int name)
{
switch(name)
{
case _SC_ARG_MAX:
return ARG_MAX;
case _SC_CHILD_MAX:
return CHILD_MAX;
case _SC_CLK_TCK:
return CLOCKS_PER_SEC;
case _SC_NGROUPS_MAX:
return NGROUPS_MAX;
case _SC_OPEN_MAX:
return OPEN_MAX;
case _SC_JOB_CONTROL:
#ifdef _POSIX_JOB_CONTROL
return _POSIX_JOB_CONTROL;
#else
return -1;
#endif
case _SC_SAVED_IDS:
#ifdef _POSIX_SAVED_IDS
return _POSIX_SAVED_IDS;
#else
return -1;
#endif
case _SC_VERSION:
return _POSIX_VERSION;
case _SC_LOGIN_NAME_MAX:
return L_cuserid;
}
errno = EINVAL;
return -1;
}
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