/*
 * Copyright (c) 2000, NBG01720@nifty.ne.jp
 *
 * To compile this program:
 *	gcc -Zomf -Zcrtdll -O2 -Wall -s islang.c
 */
#define INCL_DOSNLS
#include <os2.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>

int main(int argc,char**argv){
  if(argc<=1)
    return 1;

  if(isdigit((int)*argv[1])){
    ULONG CpList[8],CpSize;
    APIRET rc=DosQueryCp(sizeof(CpList),CpList,&CpSize);
    if(rc)
      return rc;
    while(--argc>0)
      if(*CpList==atoi(argv[argc]))
	return 0;
  }else{
    char*lang=getenv("LANG");
    if(!lang||!*lang){
      lang=getenv("LANGUAGE");
      if(!lang||!*lang)
	return 1;
    }
    if(!strnicmp(lang,argv[1],2))
      return 0;
  }
  return 1;
}