Mark
14 lines
530 B
C
14 lines
530 B
C
#pragma once
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#define isprint(x) ((x) >= ' ')
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#define isdigit(x) ((x) >= '0' && (x) <= '9')
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#define isxdigit(x) (((x) >= 'A' && (x) <= 'F') || \
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((x) >= 'a' && (x) <= 'f') || \
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isdigit(x))
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#define isspace(x) ((x) == ' ' || \
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(x) == '\t' || \
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(x) == '\n' || \
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(x) == '\r')
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#define tolower(x) (((x) >= 'A' && (x) <= 'Z') ? ((x) - 'A' + 'a') : (x))
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#define toupper(x) (((x) >= 'a' && (x) <= 'z') ? ((x) - 'a' + 'A') : (x))
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