6238b47b58
It is a subset of <ctype.h> functionality, so name it ctype.h. Also, reorganize header files so #include statements are clustered near the top as they should be. Signed-off-by: H. Peter Anvin <hpa@zytor.com> LKML-Reference: <4C5752F2.8030206@kernel.org>
22 lines
289 B
C
22 lines
289 B
C
#ifndef BOOT_ISDIGIT_H
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#define BOOT_ISDIGIT_H
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static inline int isdigit(int ch)
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{
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return (ch >= '0') && (ch <= '9');
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}
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static inline int isxdigit(int ch)
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{
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if (isdigit(ch))
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return true;
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if ((ch >= 'a') && (ch <= 'f'))
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return true;
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return (ch >= 'A') && (ch <= 'F');
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}
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#endif
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