1 #include "ipf.h" 2 3 #include <sys/ioctl.h> 4 #include <fcntl.h> 5 nametokva(name,iocfunc)6ipfunc_t nametokva(name, iocfunc) 7 char *name; 8 ioctlfunc_t iocfunc; 9 { 10 ipfunc_resolve_t res; 11 int fd; 12 13 strncpy(res.ipfu_name, name, sizeof(res.ipfu_name)); 14 res.ipfu_addr = NULL; 15 fd = -1; 16 17 if ((opts & OPT_DONOTHING) == 0) { 18 fd = open(IPL_NAME, O_RDONLY); 19 if (fd == -1) 20 return NULL; 21 } 22 (void) (*iocfunc)(fd, SIOCFUNCL, &res); 23 if (fd >= 0) 24 close(fd); 25 if (res.ipfu_addr == NULL) 26 res.ipfu_addr = (ipfunc_t)-1; 27 return res.ipfu_addr; 28 } 29