show_license      147 cmdutils.h     void show_license(void);
show_license     3767 ffmpeg.c           { "L", OPT_EXIT, {(void*)show_license}, "show license" },
show_license     2484 ffplay.c           { "L", OPT_EXIT, {(void*)show_license}, "show license" },
show_license     4465 ffserver.c         { "L", OPT_EXIT, {(void*)show_license}, "show license" },