Error in function with pointer

/*****************************************************
This program was produced by the
CodeWizardAVR V2.03.4 Standard
Automatic Program Generator
© Copyright 1998-2008 Pavel Haiduc, HP InfoTech s.r.l.
http://www.hpinfotech.com

Project : 
Version : 
Date    : 3/18/2014
Author  : 
Company : 
Comments: 


Chip type           : ATmega8
Program type        : Application
Clock frequency     : 8.000000 MHz
Memory model        : Small
External RAM size   : 0
Data Stack size     : 256
*****************************************************/

#include <mega8.h>
#include <delay.h>
#include <string.h>
#include <stdio.h>

#define LCD PORTC
#define RS  PORTC.4
#define EN  PORTC.5

void disp_cmd(unsigned char cmdout){
    LCD = cmdout;
    RS = 0;
    EN = 1;
    delay_us(10);
    EN = 0;    
}

void disp_dat(int dataout){
    LCD = dataout;
    RS = 1;
    EN = 1;
    delay_us(10);
    EN = 0; 
}
void LCD_Cmd(unsigned char data){
    unsigned char val;  
    val = (data & 0xF0);
    disp_cmd(val);
    delay_us(10);
    val = ((data<<4) & 0xF0);
    disp_cmd(val);
    delay_us(10);   
}

void LCD_Dat(char data_1){
    unsigned char val_1;
    val_1 = (data_1 & 0xF0);
    disp_dat(val_1);
    delay_us(100);
    val_1 = ((data_1<<4) & 0xF0);
    disp_dat(val_1);
    delay_us(100);
}

void LCD_Init(){
    LCD_Cmd(0x01);      //clear the screen
    delay_ms(1);
    LCD_Cmd(0x28);      //4bit,2ine,5*7matrix
    delay_us(100);
    LCD_Cmd(0x02);      //Cursor to top left character position
    delay_ms(1);
    LCD_Cmd(0x0F);      //Turn On visible blinking block cursor
    delay_us(100);
    LCD_Cmd(0x06);
    delay_us(100);
} 

void Print_LCD(char *cptr){
    while(*cptr != '\0'){
        LCD_Dat(*cptr);
        delay_us(100);
        cptr++;
        
    }
}

// Declare your global variables here

void main(void)
{
// Declare your local variables here

// Input/Output Ports initialization
// Port B initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In 
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T 
PORTB=0x00;
DDRB=0x00;

// Port C initialization
// Func6=Out Func5=Out Func4=Out Func3=Out Func2=Out Func1=Out Func0=Out 
// State6=0 State5=0 State4=0 State3=0 State2=0 State1=0 State0=0 
PORTC=0x00;
DDRC=0x7F;

// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In 
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T 
PORTD=0x00;
DDRD=0x00;

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
TCCR0=0x00;
TCNT0=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: Timer 1 Stopped
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00;
TCCR1B=0x00;
TCNT1H=0x00;
TCNT1L=0x00;
ICR1H=0x00;
ICR1L=0x00;
OCR1AH=0x00;
OCR1AL=0x00;
OCR1BH=0x00;
OCR1BL=0x00;

// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;

// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
MCUCR=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x00;

// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;
LCD_Init();
delay_ms(40);
while (1)
      {
      // Place your code here
      
      Print_LCD("w"); /////////////////////Error line///////////////////////
      };
}

void Print_LCD(char [COLOR="#FF0000"]flash[/COLOR] *cptr){
    while(*cptr != '\0'){
        LCD_Dat(*cptr);
        delay_us(100);
        cptr++;
        
    }
}

while (1)
      {
      // Place your code here
      /* read time from the DS1307 RTC */
        rtc_get_time(&h,&m,&s);
        time_hr = h;
        sprintf(strbuff,"%d",time_hr);
        Print_LCD("Welcome");
        LCD_Cmd(0xc0);
        Print_LCD(strbuff);//////////////////////////////Error//////////////////
      };

void Print_LCD(char *cptr){
    while(*cptr){
        LCD_Dat(*cptr++);
        delay_us(100);       
        
    }
}


void Print_LCD_F(char flash *cptr){
    while(*cptr){
        LCD_Dat(*cptr++);
        delay_us(100);       
        
    }
}

char my_ram_string[]="something";

Print_LCD(my_ram_string);
Print_LCD_f("my flash string");