unicharDigitValue
Determines the numeric value of a character as a decimal digit.
Return
If @c is a decimal digit (according to g_unichar_isdigit()), its numeric value. Otherwise, -1.
Parameters
c
a Unicode character
Determines the numeric value of a character as a decimal digit.
If @c is a decimal digit (according to g_unichar_isdigit()), its numeric value. Otherwise, -1.
a Unicode character