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Unix manual page for digittoint. (host=minya system=Darwin)
DIGITTOINT(3) BSD Library Functions Manual DIGITTOINT(3)
NAME
digittoint, digittoint_l -- convert a numeric character to its integer
value
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <ctype.h>
int
digittoint(int c);
#include <xlocale.h>
#include <ctype.h>
int
digittoint_l(int c, locale_t loc);
DESCRIPTION
The digittoint() function converts a numeric character to its correspond-
ing integer value. The character can be any decimal digit or hexadecimal
digit. With hexadecimal characters, the case of the values does not mat-
ter.
While the digittoint() function uses the current locale, the
digittoint_l() function may be passed a locale directly. See xlocale(3)
for more information.
RETURN VALUES
The digittoint() function always returns an integer from the range of 0
to 15. If the given character was not a digit as defined by isxdigit(3),
the function will return 0.
SEE ALSO
ctype(3), isdigit(3), isxdigit(3), xlocale(3)
BSD April 6, 2001 BSD