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      1 /*	$NetBSD: lib_strbuf.h,v 1.6 2024/08/18 20:46:50 christos Exp $	*/
      2 
      3 /*
      4  * lib_strbuf.h - definitions for routines which use the common string buffers
      5  */
      6 #ifndef LIB_STRBUF_H
      7 #define LIB_STRBUF_H
      8 
      9 #include <ntp_types.h>
     10 #include <ntp_malloc.h>			/* for zero_mem() */
     11 
     12 #define	LIB_BUFLENGTH	128
     13 
     14 extern int	lib_inited;
     15 extern int	ipv4_works;
     16 extern int	ipv6_works;
     17 
     18 extern	void	init_lib(void);
     19 
     20 /*
     21  * Get a pointer to the next string buffer of LIB_BUFLENGTH octets.
     22  * New and modified code should use buf = lib_getbuf() directly to
     23  * provide clarity for folks familiar with common C style, but there's
     24  * no need to churn the history with a mechanical switch away from
     25  * LIB_GETBUF(buf).
     26  */
     27 extern	char* lib_getbuf(void);
     28 
     29 #define	LIB_GETBUF(bufp)		\
     30 	do {				\
     31 		(bufp) = lib_getbuf();	\
     32 	} while (FALSE)
     33 
     34 #endif	/* LIB_STRBUF_H */
     35