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// RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
#include <inttypes.h>
#include <netdb.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#define STRING_OR_NULL(x) ((x) ? (x) : "null")
void test1() {
struct netent *ntp = getnetent();
printf("%s ", ntp->n_name);
for (char **cp = ntp->n_aliases; *cp != NULL; cp++)
printf("%s ", STRING_OR_NULL(*cp));
printf("%d ", ntp->n_addrtype);
printf("%" PRIu32 "\n", ntp->n_net);
endnetent();
}
void test2() {
struct netent *ntp = getnetbyname("loopback");
printf("%s ", ntp->n_name);
for (char **cp = ntp->n_aliases; *cp != NULL; cp++)
printf("%s ", STRING_OR_NULL(*cp));
printf("%d ", ntp->n_addrtype);
printf("%" PRIu32 "\n", ntp->n_net);
endnetent();
}
void test3() {
struct netent *ntp = getnetbyaddr(127, 2);
printf("%s ", ntp->n_name);
for (char **cp = ntp->n_aliases; *cp != NULL; cp++)
printf("%s ", STRING_OR_NULL(*cp));
printf("%d ", ntp->n_addrtype);
printf("%" PRIu32 "\n", ntp->n_net);
endnetent();
}
void test4() {
setnetent(1);
struct netent *ntp = getnetent();
printf("%s ", ntp->n_name);
for (char **cp = ntp->n_aliases; *cp != NULL; cp++)
printf("%s ", STRING_OR_NULL(*cp));
printf("%d ", ntp->n_addrtype);
printf("%" PRIu32 "\n", ntp->n_net);
endnetent();
}
int main(void) {
printf("netent\n");
test1();
test2();
test3();
test4();
// CHECK: netent
// CHECK: loopback 2 127
// CHECK: loopback 2 127
// CHECK: loopback 2 127
// CHECK: loopback 2 127
return 0;
}
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