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/*
* This file is part of the sn package.
* Distribution of sn is covered by the GNU GPL. See file COPYING.
* Copyright 1998-2000 Harold Tay.
* Copyright 2000- Patrik Rdman.
*/
#ifndef READLN_H
#define READLN_H
/*
* Read a line from the given descriptor. A line is considered as
* terminated by the ch character. Different ch terminators may
* be used in different calls. The length of the line is returned,
* INCLUDING the terminator, but no null is appended. The pointer
* in *line refers to an internal data structure that will be
* overwritten on the next call. Data is not copied like fgets(3)!
* readln_ready() must be called to initialize the structure. tmo,
* if > 0, is the timeout for reading, else no timeout. readln()
* will never return less than a complete line. readln_done() frees
* up the structure.
*/
struct readln {
int fd;
char *buf;
char bf[104];
int size;
int used;
int eaten;
int tmo;
};
/* readln.c */
extern int readln_ready (int fd, int tmo, struct readln *rp);
extern void readln_done (struct readln *rp);
extern int readln (register struct readln *rp, char **line, int ch);
#endif
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