#ifndef _PORTABLE_SNPRINTF_H_#define _PORTABLE_SNPRINTF_H_#define PORTABLE_SNPRINTF_VERSION_MAJOR 2#define PORTABLE_SNPRINTF_VERSION_MINOR 2#ifdef HAVE_SNPRINTF#include <stdio.h>#elseextern int snprintf(char *, size_t, const char *, /*args*/ ...);extern int vsnprintf(char *, size_t, const char *, va_list);#endif#if defined(HAVE_SNPRINTF) && defined(PREFER_PORTABLE_SNPRINTF)extern int portable_snprintf(char *str, size_t str_m, const char *fmt, /*args*/ ...);extern int portable_vsnprintf(char *str, size_t str_m, const char *fmt, va_list ap);#define snprintf  portable_snprintf#define vsnprintf portable_vsnprintf#endifextern int asprintf  (char **ptr, const char *fmt, /*args*/ ...);extern int vasprintf (char **ptr, const char *fmt, va_list ap);extern int asnprintf (char **ptr, size_t str_m, const char *fmt, /*args*/ ...);extern int vasnprintf(char **ptr, size_t str_m, const char *fmt, va_list ap);#endif