#include <stdio.h>
#include <strings.h>
#include <stdlib.h>

static char fieldSeparator = '^';

int GetField(FILE *in, char *field, int space)
{
	int ch;
	int begun = 0;
	int len = 0;
	while(1) {
		ch = getc(in);
		if ((ch == fieldSeparator) || (ch == '\n') || (ch == EOF)) {
			if (len < space) {
				field[len] = '\0';
			} else {
				field[space-1] = '\0';
			}
			if (ch == '\n') {
				ungetc(ch, in);
				if (!begun) {
					return 0;
				}
			}	
			return 1;
		}
		if (!begun) {
			if (!isspace(ch)) {
				begun = 1;
			}
		}	
		if (begun) {
			if (len < space) {
				field[len] = ch;
			}
			len++;
		}			
	}
}

int NextRecord(FILE *in) 
{
	int ch;
	while(1) {
		ch = getc(in);
		if (ch == EOF) {
			return 0;
		}
		if (ch == '\n') {
			while(1) {
				ch = getc(in);
				if (ch == EOF) {
					return 0;
				}
				if (!isspace(ch)) {
					ungetc(ch, in);
					return 1;
				}
			}
		}
	}
}

void SetFieldSeparator(char sep) {
	fieldSeparator = sep;
}