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53f2a2eba9
Binary-only compiler and library, plus documentation and include files for compiling new programs.
16 lines
331 B
C
Executable File
16 lines
331 B
C
Executable File
#define _U 01
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#define _L 02
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#define _A 03
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#define _N 04
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#define _S 010
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extern char _ctype[];
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#define isalpha(c) (_ctype[c]&_A)
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#define isupper(c) (_ctype[c]&_U)
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#define islower(c) (_ctype[c]&_L)
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#define isdigit(c) (_ctype[c]&_N)
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#define isspace(c) (_ctype[c]&_S)
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#define toupper(c) ((c)-'a'+'A')
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#define tolower(c) ((c)-'A'+'a')
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