github.com/afumu/libc@v0.0.6/musl/src/network/res_querydomain.c (about)

     1  #include <resolv.h>
     2  #include <string.h>
     3  
     4  int res_querydomain(const char *name, const char *domain, int class, int type, unsigned char *dest, int len)
     5  {
     6  	char tmp[255];
     7  	size_t nl = strnlen(name, 255);
     8  	size_t dl = strnlen(domain, 255);
     9  	if (nl+dl+1 > 254) return -1;
    10  	memcpy(tmp, name, nl);
    11  	tmp[nl] = '.';
    12  	memcpy(tmp+nl+1, domain, dl+1);
    13  	return res_query(tmp, class, type, dest, len);
    14  }