undefined4 * ifinit(char *param_1)

{

  undefined4 *puVar1;

  int iVar2;

  undefined4 *__s;

  char *pcVar3;

  undefined4 uVar4;

  undefined4 uVar5;

  void *__ptr;

  short *psVar6;

  undefined4 uVar7;

  int *piVar8;

  int *local_28 [2];

  iVar2 = find_ifconfbyname();

  if (iVar2 != 0) {

    dprintf(5,"ifinit","duplicated interface: %s",param_1);

    return (undefined4 *)0x0;

  }

  __s = (undefined4 *)malloc(100)   //possible issue identified - semgrep

  if (__s == (undefined4 *)0x0) {

    dprintf(3,"ifinit","malloc failed");

  }

  else {

    memset(__s,0,100)   //possible issue identified - semgrep

    __s[3] = __s + 2;

    __s[2] = 0;

    pcVar3 = strdup(param_1);

    __s[4] = pcVar3;

    if (pcVar3 == (char *)0x0) {

      dprintf(3,"ifinit","failed to copy ifname");

      __ptr = (void *)__s[4];

      goto joined_r0x0041961c;

    }

    iVar2 = ifreset(__s);

    if (iVar2 == 0) {

      __s[0x18] = 0xffffffff;

      __s[0x16] = 0xffffffff;

      __s[0x17] = 0xffffffff;

      __s[0x13] = __s + 0x12;

      __s[0x15] = __s + 0x14;

      __s[0x12] = 0;

      __s[0x14] = 0;

      iVar2 = getifaddrs(local_28);

      piVar8 = local_28[0];

      if (-1 < iVar2) {

        for (; piVar8 != (int *)0x0; piVar8 = (int *)*piVar8) {

          while ((((iVar2 = strcmp((char *)piVar8[1],param_1), iVar2 == 0 &&

                   (psVar6 = (short *)piVar8[3], psVar6 != (short *)0x0)) && (*psVar6 == 10)) &&

                 ((*(uint *)(psVar6 + 4) & 0xc0ff) != 0x80fe))) {

            uVar4 = *(undefined4 *)(psVar6 + 10);

            uVar5 = *(undefined4 *)(psVar6 + 6);

            uVar7 = *(undefined4 *)(psVar6 + 8);

            __s[7] = *(uint *)(psVar6 + 4);

            __s[8] = uVar5;

            __s[9] = uVar7;

            __s[10] = uVar4;

            piVar8 = (int *)*piVar8;

            if (piVar8 == (int *)0x0) goto LAB_00419764;

          }

        }

LAB_00419764:

        freeifaddrs(local_28[0]);

        puVar1 = __s;

        *__s = dhcp6_if;

        dhcp6_if = puVar1;

        return __s;

      }

      piVar8 = __errno_location();

      pcVar3 = strerror(*piVar8);

      dprintf(3,"ifinit","getifaddrs failed: %s",pcVar3);

    }

  }

  __ptr = (void *)__s[4];

joined_r0x0041961c:

  if (__ptr != (void *)0x0) {

    free(__ptr);

  }

  free(__s);

  return (undefined4 *)0x0;

}