// Append text to a file using fputs()

#include <stdio.h>
int main()
{
	char text[50];
	FILE *file_ptr; // 1. declare a FILE pointer
	file_ptr = fopen("lines.txt", "a"); // 2. open file

	if( file_ptr != NULL ) // 3. test
	{
		printf("File opened.\nEnter text to append: ");
		gets(text);
		fputs(text, file_ptr); // 4. write text
		fclose(file_ptr); // 5. close the file
		return 0;
	}
	else{ printf("Unable to open file.\n"); return 1; }
}