src/Graphics/ffglut.cpp:136: error: DEAD_STORE The value written to &c2 (type int) is never used. Showing all 1 steps of the trace src/Graphics/ffglut.cpp:136:9: Write of unused value 134. int c1 =getc(fp);// 135. if(c1==13) 136. int c2 =getc(fp);// ^ 137. 138.