Function DatumGetChar

src/include/postgres.h:487–487

static inline Datum BoolGetDatum(bool b) { return (b ? 1 : 0); } 

static inline char DatumGetChar(Datum d) { return (char) d; }
static inline Datum CharGetDatum(char c) { return (Datum) c; } 

static inline int8 DatumGetInt8(Datum d) { return (int8) d; }