how to use IntToStr() or sprintf() in mikroc for pic to print value in lcd

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void periode_of_lecture(void)
{
 int prev_time4_lectures,time4_lectures;
 unsigned char x;
 prev_time4_lectures= Eeprom_Read(time4_lectures_address);
 time4_lectures=prev_time4_lectures;
 Lcd_Custom_Out(1, 1,"lecture time=");
 //sprintf(buffer,"%d",time4_lectures);
 //IntToStr(time4_lectures, txt);
 Lcd_Custom_Out_Cp(buffer);
     while(CANCEL==1)
     {
        if(UP==0)
             {
                while(UP==0);
                 x= time4_lectures+5;
               //IntToStr(time4_lectures, txt);
              // sprintf(buffer,"%d",time4_lectures);
               Lcd_Custom_Out_Cp(48+x);// i use this line as  examples in mikroc
             //  Lcd_Custom_Chr(1, 14,txt);
             }
         if(DOWN==0)
             {
               while(DOWN==0);
                x=time4_lectures-5;
           //     sprintf(buffer,"%d",time4_lectures);
               Lcd_Custom_Out_Cp(48+x);
              // IntToStr(time4_lectures, txt);
              // Lcd_Custom_Chr(1, 14,txt);
             }
    }
}