char * rtstrstruncasecmp(char *param_1,char *param_2)

{

  size_t sVar1;

  size_t sVar2;

  size_t sVar3;

  char cVar4;

  char cVar5;

  sVar1 = strlen(param_2);

  if (sVar1 != 0) {

    sVar2 = strlen(param_1);

    while (sVar3 = 0, (int)sVar1 <= (int)sVar2) {

      while( true ) {

        if ((int)sVar1 <= (int)sVar3) break;

        cVar5 = param_1[sVar3];

        cVar4 = param_2[sVar3];

        if ((byte)(cVar5 + 0x9fU) < 0x1a) {

          cVar5 = cVar5 + -0x20   //possible issue identified - semgrep

        }

        if ((byte)(cVar4 + 0x9fU) < 0x1a) {

          cVar4 = cVar4 + -0x20   //possible issue identified - semgrep

        }

        if (cVar5 != cVar4) break;

        sVar3 = sVar3 + 1   //possible issue identified - semgrep

      }

      sVar2 = sVar2 - 1   //possible issue identified - semgrep

      if (sVar3 == sVar1) {

        return param_1;

      }

      param_1 = param_1 + 1;

    }

    param_1 = (char *)0x0;

  }

  return param_1;

}