src/saveload/saveload.h

141:    SLE_VAR_STRB  = 10 << 4, ///< string (with pre-allocated buffer)

142:    SLE_VAR_STRBQ = 11 << 4, ///< string enclosed in quotes (with pre-allocated buffer)

143:    SLE_VAR_STR   = 12 << 4, ///< string pointer

144:    SLE_VAR_STRQ  = 13 << 4, ///< string pointer enclosed in quotes