bool_in bool_out float8_in float8_in_opt_error float8_out int4_in int4_out int8_in int8_out MAXINT8LEN parse_bool_with_len pg_strtoint32 pg_strtoint64

int8_in() int64 int8_in ( const char *  str ) Return an int8 from a string. Note PostgreSQL function: Datum int8in(PG_FUNCTION_ARGS)