_i_n_A_t_t_r_i_b Specifies the parameter value to be returned.
PPPPAAAARRRRAAAAMMMMEEEETTTTEEEERRRRSSSS
_i_n_A_t_t_r_i_b
Specifies the string constant for which the value is needed.
DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
ggggllllccccGGGGeeeettttcccc returns the value of a string constant. Valid string constants
are GGGGLLLLCCCC____EEEEXXXXTTTTEEEENNNNSSSSIIIIOOOONNNNSSSS, GGGGLLLLCCCC____RRRREEEELLLLEEEEAAAASSSSEEEE, and GGGGLLLLCCCC____VVVVEEEENNNNDDDDOOOORRRR. GGGGLLLLCCCC____SSSSTTTTAAAATTTTEEEE____EEEERRRRRRRROOOORRRR is
generated if the issuing thread has no current GLC context.