/*** $Id: nposix.c,v 1.27.2.2 2005/02/15 08:27:57 weiym Exp $**** nposix.c: This file include some miscelleous functions not provided by POSIX. **** Copyright (C) 2003 Feynman Software.**** Create date: 2003/11/22**** Current maintainer: Wei Yongming.*//*** This program is free software; you can redistribute it and/or modify** it under the terms of the GNU General Public License as published by** the Free Software Foundation; either version 2 of the License, or** (at your option) any later version.**** This program is distributed in the hope that it will be useful,** but WITHOUT ANY WARRANTY; without even the implied warranty of** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the** GNU General Public License for more details.**** You should have received a copy of the GNU General Public License** along with this program; if not, write to the Free Software** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA*//*** TODO:*/ #include <stdio.h>#include <stdlib.h>#include <string.h>#include <time.h>#include <ctype.h>#include "../config.h"#include "common.h"#ifndef HAVE_STRDUPchar* strdup (const char *string){    char *new_string = malloc(strlen(string)+1);    strcpy(new_string,string);    return new_string;}#endif#ifndef HAVE_STRCASECMPint strcasecmp(const char *s1, const char *s2){    char c1, c2;    while (1) {        if (*s1 == 0 || *s2 == 0)            return 0;        c1 = tolower (*s1);        c2 = tolower (*s2);        if (c1 != c2)            break;        s1++;        s2++;    }    /*    while ((c1 = tolower(*s1++)) == (c2 = tolower(*s2++))) {        printf ("c1 = %c, c2 = %c\n", c1, c2);        if (c1 == 0)            return (0);    }    */    return ((unsigned char)c1 - (unsigned char)c2);}#endif#ifdef __CYGWIN__#include <errno.h>#include <semaphore.h>int sem_getvalue (sem_t *sem, int *sval){    sem_trywait (sem);    if (errno == EAGAIN)        *sval = 0;    else        *sval = 1;    return 0;}#endif/* ------------------------------ time delay -------------------------------- */#ifndef __NOUNIX__#include <unistd.h>#endifvoid __mg_os_time_delay (int ms){#ifndef __NOUNIX__    usleep (ms * 1000);#endif}