Manual Pages  — DIGITTOINT

digittoint, digittoint_l – convert a numeric character to its integer value

LIBRARY SYNOPSIS DESCRIPTION RETURN VALUES SEE ALSO

Standard C Library (libc, -lc)

#include <ctype.h>

int
digittoint(int c);

int
digittoint_l(int c, locale_t loc);

The digittoint() and digittoint_l() functions convert a numeric character to its corresponding integer value. The character can be any decimal digit or hexadecimal digit. With hexadecimal characters, the case of the values does not matter.

The digittoint_l() function takes an explicit locale argument, whereas the digittoint() function use the current global or per-thread locale.