as an extension, have putenv("VAR") behave as unsetenv("VAR")
[musl] / src / misc / setdomainname.c
1 #define _GNU_SOURCE
2 #include <unistd.h>
3 #include "syscall.h"
4
5 int setdomainname(const char *name, size_t len)
6 {
7         return syscall(SYS_setdomainname, name, len);
8 }