relibc/tests/unistd/sysconf.c

#include <errno.h>
#include <stdio.h>
#include <unistd.h>

#include "test_helpers.h"

#define SC(N) \
    do { \
        errno = 0; \
        printf("%s (%d): %ld (%d)\n", #N, _SC_ ## N, sysconf(_SC_ ## N), errno); \
    } while (0)

int main(void) {
    SC(ARG_MAX);
    SC(CHILD_MAX);
    SC(CLK_TCK);
    SC(NGROUPS_MAX);
    SC(OPEN_MAX);
    SC(STREAM_MAX);
    SC(TZNAME_MAX);
    SC(VERSION);
    SC(PAGESIZE);
    SC(RE_DUP_MAX);
    SC(LOGIN_NAME_MAX);
    SC(TTY_NAME_MAX);
    SC(SYMLOOP_MAX);
    SC(HOST_NAME_MAX);
}