EXreadfile.c

//int fgetc(FILE *fp);
//char *fgets (char *buff, int n, FILE *fp)

#include <stdio.h>
int main(){
	FILE *fpr,*fpw;// file handles, pointers	
	
	char ch[255],buff[255];
	char str1[255],str2[255];                                          
	//int i;
	//fpr: file pointer for read
	//fpw: file pointer for write
	fpr = fopen("./readtest.txt","r");
	fpw = fopen("./printout.txt","w");// a for "append"
    printf ("Read file pointer: %p\n",fpr);// ram address having the content of "readtest.txt"
    printf ("Write file pointer: %p\n",fpw);// ram address you are ready to write the content into "printout.txt"
	
	//fgets(buff, 255, fpr);// fgets, ready to read the next line when done. the change line symbol also be read by buff
	//printf("What you read by fgets: %s\n",buff);
	//fprintf(fpw,"%s",buff);//***** no "\n", because fgets also gets the change line symbol
	//fgets(buff, 255, fpr);// fgets
	//printf("What you read by fgets: %s\n",buff);//***** no "\n"
	//fprintf(fpw,"%s",buff);

   
//for(int i=0;i<2;i++){
//	fgets(buff, 255, fpr);// fgets, ready to read the next line when done.
//	printf("What you read by fgets: %s",buff);   
//}	
	

	
	//fscanf(fpr,"%s",ch); // read the string from the file, and blank can't be read.(stop when fscanf read blank)
    //printf("What you read by fscanf: %s\n",ch);
	
	 //fscanf(fpr,"%[^\n]\n",&ch);// if you don't use \n after %[^\n], the file pointer will point at "\n"
     //printf("What you read by fscanf: %s\n",ch);
     //fscanf(fpr,"%[^\n]\n",&ch);// if you don't use \n after %[^\n], the file pointer will point at "\n"
     //printf("What you read by fscanf: %s\n",ch);
     //fscanf(fpr,"%[^\n]",&ch);// if you don't use \n after %[^\n], the file pointer will point at "\n"
     //printf("The 3rd line: %s\n",ch);
     //printf("Current fpr address: %p\n",fpr);
    //
	 //fscanf(fpr,"%[^\n]\n",ch);
     //printf("What you read by fscanf: %s\n",ch);
	 //printf("Current fpr address: %p\n",fpr);
	//for(int i=0;i<=3;i++){
	//	fscanf(fpr,"%[^\n]\n",ch);// if you don't use \n after %[^\n], the file pointer will point at "\n"
	//	printf("What you read by fscanf: %s\n",ch);
	//	fprintf(fpw,"%s\n",ch);
	//}
	 
// skip a line
	 fscanf(fpr,"%*[^\n]\n");// skip this line, * means to skip [^\n]
	 fscanf(fpr,"%*[^\n]\n");// skip this line, * means to skip [^\n]
	 fscanf(fpr,"%*[^\n]\n");// skip this line, * means to skip [^\n]
	 fscanf(fpr,"%[^\n]\n",ch);// read \n
     printf("What you read by fscanf: %s\n",ch);
	 fprintf(fpw,"%s\n",ch);
		
	fclose(fpr);// remember to close the handle!!!	
	fclose(fpw);
	return 0;	
}