fallback.h

#ifndef FISH_FALLBACK_H
#define FISH_FALLBACK_H

#include <stdio.h>
#include <stdint.h>
#include <stdarg.h>
#include <wctype.h>
#include <wchar.h>
#include <limits.h>
#include <sys/time.h>
#include <sys/types.h>
#include <signal.h>

#ifndef WCHAR_MAX

#define WCHAR_MAX INT_MAX
#endif

#if __STDC_VERSION__ < 199901L
# if __GNUC__ >= 2
#  define __func__ __FUNCTION__
# else
#  define __func__ "<unknown>"
# endif
#endif

#ifdef NCURSES_VERSION
typedef int tputs_arg_t;
#else
typedef char tputs_arg_t;
#endif

#ifndef SIGIO
#define SIGIO SIGUSR1
#endif

#ifndef SIGWINCH
#define SIGWINCH SIGUSR2
#endif

#ifndef HAVE_WINSIZE
struct winsize 
{
        unsigned short ws_row;  
        unsigned short ws_col;
}
;

#endif

#ifdef TPUTS_KLUDGE

int tputs(const char *str, int affcnt, int (*fish_putc)(tputs_arg_t));

#endif

#ifdef TPARM_SOLARIS_KLUDGE

#define tparm tparm_solaris_kludge
char *tparm_solaris_kludge( char *str, ... );

#endif

#ifndef HAVE_FWPRINTF

int fwprintf( FILE *f, const wchar_t *format, ... );


int swprintf( wchar_t *str, size_t l, const wchar_t *format, ... );

int wprintf( const wchar_t *format, ... );

int vwprintf( const wchar_t *filter, va_list va );

int vfwprintf( FILE *f, const wchar_t *filter, va_list va );

int vswprintf( wchar_t *out, size_t n, const wchar_t *filter, va_list va );

#endif

#ifndef HAVE_FGETWC

wint_t fgetwc(FILE *stream);

wint_t getwc(FILE *stream);

#endif

#ifndef HAVE_FPUTWC

wint_t fputwc(wchar_t wc, FILE *stream);
wint_t putwc(wchar_t wc, FILE *stream);

#endif

#ifndef HAVE_WCSTOK

wchar_t *wcstok(wchar_t *wcs, const wchar_t *delim, wchar_t **ptr);

#endif

#ifndef HAVE_WCWIDTH

int wcwidth( wchar_t c );

#endif

#ifndef HAVE_WCSDUP

wchar_t *wcsdup(const wchar_t *in);

#endif

#ifndef HAVE_WCSLEN

size_t wcslen(const wchar_t *in);

#endif

#ifndef HAVE_WCSCASECMP

int wcscasecmp( const wchar_t *a, const wchar_t *b );

#endif

#ifndef HAVE_WCSNCASECMP

int wcsncasecmp( const wchar_t *a, const wchar_t *b, int count );

#endif

#ifndef HAVE_WCSNDUP

wchar_t *wcsndup( const wchar_t *in, int c );

#endif

long convert_digit( wchar_t d, int base );

#ifndef HAVE_WCSTOL

long wcstol(const wchar_t *nptr,
            wchar_t **endptr,
            int base);

#endif
#ifndef HAVE_WCSLCAT

size_t wcslcat( wchar_t *dst, const wchar_t *src, size_t siz );

#endif
#ifndef HAVE_WCSLCPY

size_t wcslcpy( wchar_t *dst, const wchar_t *src, size_t siz );

#endif

#ifdef HAVE_BROKEN_DEL_CURTERM

#define del_curterm(oterm) OK
#endif

#ifndef HAVE_LRAND48_R

struct drand48_data
{
        unsigned int seed;
}
;

int lrand48_r( struct drand48_data *buffer, long int *result );

int srand48_r( long int seedval, struct drand48_data *buffer );

#endif

#ifndef HAVE_FUTIMES

int futimes( int fd, const struct timeval *times );

#endif

#ifndef HAVE_GETTEXT

char * gettext( const char * msgid );

char * bindtextdomain( const char * domainname, const char * dirname );

char * textdomain( const char * domainname );

#endif

#ifndef HAVE_DCGETTEXT

char * dcgettext ( const char * domainname, 
                   const char * msgid,
                   int category );

#endif

#ifndef HAVE__NL_MSG_CAT_CNTR

extern int _nl_msg_cat_cntr;

#endif


#ifndef HAVE_KILLPG
int killpg( int pgr, int sig );
#endif


#ifndef HAVE_WORKING_GETOPT_LONG

struct option 
{
        const char *name;
        int has_arg;
        int *flag;
        int val;        
}
;

#ifndef no_argument
#define no_argument 0
#endif

#ifndef required_argument
#define required_argument 1
#endif

#ifndef optional_argument
#define optional_argument 2
#endif

int getopt_long(int argc, 
                char * const argv[],
                const char *optstring,
                const struct option *longopts, 
                int *longindex);

#endif

#ifndef HAVE_SYSCONF

#define _SC_ARG_MAX 1
long sysconf(int name);

#endif

#endif

---