21 lines
595 B
C
21 lines
595 B
C
/*
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* This header takes the place of the original ctype.h which, along with
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* other gcc's header, is missing since we are using a barebone gcc environment.
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*/
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#ifndef GCC_CTYPE_H
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#define GCC_CTYPE_H
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#define __IMPORT
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#define _CONST const
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extern __IMPORT _CONST char _ctype_[];
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#define _L 02
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#define islower(c) ((_ctype_+1)[(unsigned)(c)]&_L)
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#ifdef __GNUC__
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# define toupper(c) \
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__extension__ ({ int __x = (c); islower(__x) ? (__x - 'a' + 'A') : __x;})
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# define tolower(c) \
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__extension__ ({ int __x = (c); isupper(__x) ? (__x - 'A' + 'a') : __x;})
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#endif
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#endif // GCC_CTYPE_H
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