#ifdef HAVE_CONFIG_H#include <config.h>#endifint inet_pton(int af, const char *src, void *dst) {    u_int16_t ipbuf[8];    u_int32_t val;    u_int16_t short_val;    char *end_ptr;    int i,j;    int index = 0;    int skip_idx = -1;    u_int16_t *dstip = (u_int16_t*)dst;    if(!src || !dst) return -1;    if(af == AF_INET) {        return inet_aton(src, dst);    }    while(*src) {        val = strtoul(src, &end_ptr, 16);        if (val > USHRT_MAX)        {            return -1;        }        short_val = (u_int16_t)val;        if(*src == ':') {            src++;                    if(*src == ':') {                if(skip_idx != -1)                    return -1;                skip_idx = index;                src++;                if(*src && *src == ':')                     return -1;            }            else if(!*src)                 return -1;            continue;        }        else if(*end_ptr == '.') {            if(!inet_aton(src, (struct in_addr *)&ipbuf[index]))                return -1;            index += 2;                        break;        }        else {            if(end_ptr == src) {                return -1;            }            ipbuf[index++] = htons(short_val);            src = end_ptr;            /* Check for trailing garbage after the IP */            if(index == 8 && *src)                 return -1;        }    }    if(index < 8 && skip_idx == -1)        return -1;    for(i = 0; i < skip_idx; i++) {        dstip[i] = ipbuf[i];    }    if(skip_idx == -1) skip_idx = 0;    for(; i < 8 - (index - skip_idx); i++) {        dstip[i] = 0;    }        for(j = skip_idx; i < 8; i++, j++) {        dstip[i] = ipbuf[j];    }    return 1;}