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#include
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#include
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char * fgets ( char * str, int num, FILE * file )
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char * fgets ( char * str, int num, FILE * stream )
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// need to ignore \r\n in text mode
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{
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{
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	int rd = 0;
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	int rd = 0;
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	char c;
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    if(!file || !str)
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    {
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        errno = E_INVALIDPTR;
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        return NULL;
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    }
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	char c;
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	while (rd < num - 1)
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	while (rd < num - 1)
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	{
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	{
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		c = fgetc(stream);
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		c = fgetc(file);
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		if (EOF == c) break;
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		if (EOF == c) break;
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		if ('\n' == c)
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		if ('\n' == c)
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		{
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		{
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			str[rd++] = c;
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			str[rd++] = c;