How to read txt file and send it by USART (PIC18)

/* Serial Communication Transmit Example */
/* Using Port C as a USART Port */

#pragma config OSC = HS     /*set osc mode to HS */
#pragma config WDT = OFF    /* set watchdog timer off */
#pragma config LVP = OFF    /* Low Voltage Programming Off */
#pragma config DEBUG = OFF  /* Compile without extra Debug compile Code */
#include <p18f4520.h>
#include <delays.h>

#include <usart.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>


void main ()

{

	char ch;
	FILE *fp;

	/* Make Port C O/P */
     TRISC = 0x00;

	/* Set USART Parameters Baud rate 19.200 */
   
     OpenUSART(USART_TX_INT_OFF & USART_RX_INT_OFF & USART_ASYNCH_MODE & USART_EIGHT_BIT & USART_CONT_RX & USART_BRGH_LOW, 15);
		
	fp = fopen("test.txt","r");// read mode

	while( ( ch = fgetc(fp) ) != EOF )
		putrsUSART("%c",ch);

	fclose(fp);

}

31:Warning [2058] call of function without prototype
31:Error [1131] type mismatch in assignment
33:Warning [2058] call of function without prototype
34:Warning [2066] type qualifier mismatch in assignment
34:Error [1204] too many arguments in function call
36:Warning [2058] call of function without prototype