undefined4 ipv6op_getifindex(char *param_1)

{

  FILE *__stream;

  int iVar1;

  size_t __n;

  char *pcVar2;

  undefined4 local_180;

  undefined1 auStack_17c [4];

  undefined1 auStack_178 [4];

  undefined1 auStack_174 [4];

  undefined1 uStack_170;

  undefined1 uStack_16f;

  undefined1 uStack_16e;

  undefined1 uStack_16d;

  undefined1 uStack_16c;

  undefined1 uStack_16b;

  undefined1 uStack_16a;

  undefined1 uStack_169;

  undefined1 uStack_168;

  undefined1 uStack_167;

  undefined1 uStack_166;

  undefined1 uStack_165;

  undefined1 uStack_164;

  undefined1 uStack_163;

  undefined1 uStack_162;

  undefined1 uStack_161;

  char acStack_160 [16];

  char acStack_150 [256];

  undefined1 *local_50;

  undefined1 *local_4c;

  undefined1 *local_48;

  undefined1 *local_44;

  undefined1 *local_40;

  undefined1 *local_3c;

  undefined1 *local_38;

  undefined1 *local_34;

  undefined1 *local_30;

  memset(acStack_150,0,0x100)   //possible issue identified - semgrep

  __stream = fopen(o_ifinet6,"r")   //possible issue identified - semgrep

  if (__stream == (FILE *)0x0) {

    verbose("<< %s: Couldn\'t open %s to get ipv6 address\n","ipv6op_getifindex",o_ifinet6);

    local_180 = 0xffffffff;

  }

  else {

    local_50 = &uStack_170;

    local_4c = &uStack_16f;

    local_48 = &uStack_16e;

    local_44 = &uStack_16d;

    local_40 = &uStack_16c;

    local_3c = &uStack_16b;

    local_38 = &uStack_16a;

    local_34 = &uStack_169;

    local_30 = &uStack_168;

    do {

      while( true ) {

        pcVar2 = fgets(acStack_150,0x100,__stream)   //possible issue identified - semgrep

        if (pcVar2 == (char *)0x0) {

          local_180 = 0xffffffff;

          goto LAB_004037b8;

        }

        iVar1 = sscanf(acStack_150,

                       "%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx%02hhx %x %x %x %x %8s"

                       ,local_50,local_4c,local_48,local_44,local_40,local_3c,local_38,local_34,

                       local_30,&uStack_167,&uStack_166,&uStack_165,&uStack_164,&uStack_163,

                       &uStack_162,&uStack_161,&local_180,auStack_17c,auStack_178,auStack_174,

                       acStack_160)   //possible issue identified - semgrep

        if (iVar1 == 0x15) break;

        verbose("<< %s: WARNING, %s has a broken line, ignoring","ipv6op_getifindex",o_ifinet6);

      }

      __n = strlen(param_1);

      iVar1 = strncmp(param_1,acStack_160,__n)   //possible issue identified - semgrep

    } while (iVar1 != 0);

LAB_004037b8:

    fclose(__stream);

  }

  return local_180;

}