isdigit man page on MirBSD

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ISDIGIT(3)		   BSD Programmer's Manual		    ISDIGIT(3)

NAME
     isdigit - decimal-digit character test

SYNOPSIS
     #include <ctype.h>

     int
     isdigit(int c);

DESCRIPTION
     The isdigit() function tests for any decimal-digit character.

RETURN VALUES
     The isdigit() macro returns zero if the character tests false or non-zero
     if the character tests true.

SEE ALSO
     isalnum(3), isalpha(3), isascii(3), isblank(3), iscntrl(3), isgraph(3),
     islower(3), isprint(3), ispunct(3), isspace(3), isupper(3), isxdigit(3),
     stdio(3), toascii(3), tolower(3), toupper(3), ascii(7)

STANDARDS
     The isdigit() function conforms to ANSI X3.159-1989 ("ANSI C").

CAVEATS
     The argument to isdigit() must be EOF or representable as an unsigned
     char; otherwise, the result is undefined.

MirOS BSD #10-current		June 29, 1991				     1
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