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// RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#define STRING_OR_NULL(x) ((x) ? (x) : "null")
void test1() {
struct protoent *ptp = getprotoent();
printf("%s ", STRING_OR_NULL(ptp->p_name));
for (char **cp = ptp->p_aliases; *cp != NULL; cp++)
printf("%s ", STRING_OR_NULL(*cp));
printf("%d\n", ptp->p_proto);
endprotoent();
}
void test2() {
struct protoent *ptp = getprotobyname("icmp");
printf("%s ", STRING_OR_NULL(ptp->p_name));
for (char **cp = ptp->p_aliases; *cp != NULL; cp++)
printf("%s ", STRING_OR_NULL(*cp));
printf("%d\n", ptp->p_proto);
endprotoent();
}
void test3() {
struct protoent *ptp = getprotobynumber(1);
printf("%s ", STRING_OR_NULL(ptp->p_name));
for (char **cp = ptp->p_aliases; *cp != NULL; cp++)
printf("%s ", STRING_OR_NULL(*cp));
printf("%d\n", ptp->p_proto);
endprotoent();
}
void test4() {
setprotoent(1);
struct protoent *ptp = getprotobynumber(1);
ptp = getprotobynumber(2);
printf("%s ", STRING_OR_NULL(ptp->p_name));
for (char **cp = ptp->p_aliases; *cp != NULL; cp++)
printf("%s ", STRING_OR_NULL(*cp));
printf("%d\n", ptp->p_proto);
endprotoent();
}
void test5() {
struct protoent *ptp = getprotobyname("ttp");
printf("%s ", STRING_OR_NULL(ptp->p_name));
for (char **cp = ptp->p_aliases; *cp != NULL; cp++)
printf("%s ", STRING_OR_NULL(*cp));
printf("%d\n", ptp->p_proto);
endprotoent();
}
int main(void) {
printf("protoent\n");
test1();
test2();
test3();
test4();
test5();
// CHECK: protoent
// CHECK: hopopt HOPOPT 0
// CHECK: icmp ICMP 1
// CHECK: icmp ICMP 1
// CHECK: igmp IGMP 2
// CHECK: ttp TTP iptm IPTM 84
return 0;
}
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