33 lines
693 B
C
33 lines
693 B
C
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/*
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* File : ctype.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2008, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2008-08-14 Bernard the first version
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*/
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#include <rtthread.h>
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#include <sys/types.h>
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#if !defined (RT_USING_NEWLIB) && defined (RT_USING_MINILIBC)
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#include "ctype.h"
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int isprint (int ch)
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{
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ch&=0x7f;
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return (ch>=32 && ch<127);
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}
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int isalpha(int ch)
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{
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return (unsigned int)((ch | 0x20) - 'a') < 26u;
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}
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#endif
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