#ifndef _FIELDS_

#define _FIELDS_

/* The fields library -- making input processing easier */

#include <stdio.h>

#define MAXLEN 1001

#define MAXFIELDS 1000

typedef struct inputstruct {

char *name; /* File name */

FILE *f; /* File descriptor */

int line; /* Line number */

char text1[MAXLEN]; /* The line */

char text2[MAXLEN]; /* Working -- contains fields */

int NF; /* Number of fields */

char *fields[MAXFIELDS]; /* Pointers to fields */

int file; /* 1 for file, 0 for popen */

} *IS;

extern IS new_inputstruct(/* FILENAME -- NULL for stdin */);

extern IS pipe_inputstruct(/* COMMAND -- NULL for stdin */);

extern int get_line(/* IS */); /* returns NF, or -1 on EOF. Does not

close the file */

extern void jettison_inputstruct(/* IS */); /* frees the IS and fcloses

the file */

#endif