_i_n_M_a_s_t_e_r Specifies the master for which an attribute value is needed.
_i_n_A_t_t_r_i_b Specifies the attribute for which the value is needed.
DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
ggggllllccccGGGGeeeettttMMMMaaaasssstttteeeerrrrcccc returns the value of a string attribute of the master
identified by _i_n_M_a_s_t_e_r.
String attributes associated with each master are GGGGLLLLCCCC____FFFFAAAAMMMMIIIILLLLYYYY,
GGGGLLLLCCCC____MMMMAAAASSSSTTTTEEEERRRR____FFFFOOOORRRRMMMMAAAATTTT, GGGGLLLLCCCC____VVVVEEEENNNNDDDDOOOORRRR, and GGGGLLLLCCCC____VVVVEEEERRRRSSSSIIIIOOOONNNN.
EEEERRRRRRRROOOORRRRSSSS
GGGGLLLLCCCC____SSSSTTTTAAAATTTTEEEE____EEEERRRRRRRROOOORRRR is generated if the issuing thread has no current GLC
context.
GGGGLLLLCCCC____PPPPAAAARRRRAAAAMMMMEEEETTTTEEEERRRR____EEEERRRRRRRROOOORRRR is generated if _i_n_M_a_s_t_e_r is less than zero or is
greater than or equal to the value of the variable GGGGLLLLCCCC____MMMMAAAASSSSTTTTEEEERRRR____CCCCOOOOUUUUNNNNTTTT.