Variable at main.c, line 23 References: main.c, line 23 main.c, line 23 main.c, line 33 main.c, line 42 main.c, line 47 main.c, line 53 main.c, line 54 main.c, line 76 main.c, line 81 main.c, line 92 main.c, line 112 main.c, line 116 main.c, line 123 main.c, line 133 main.c, line 151 main.c, line 197 main.c, line 202 main.c, line 203 main.c, line 210 main.c, line 254 main.c, line 255