99 #define DISPLAY_F(f, ...)    fprintf((f), __VA_ARGS__)  macro
100 #define DISPLAYOUT(...)      DISPLAY_F(stdout, __VA_ARGS__)
101 #define DISPLAY(...)         DISPLAY_F(stderr, __VA_ARGS__)
115     DISPLAY_F(f, "Usage : \n");  in usage()
116     DISPLAY_F(f, "      %s [args] [FILE(s)] [-o file] \n", programName);  in usage()
117     DISPLAY_F(f, "\n");  in usage()
118     DISPLAY_F(f, "FILE    : a filename \n");  in usage()
119     DISPLAY_F(f, "          with no FILE, or when FILE is - , read standard input\n");  in usage()
120     DISPLAY_F(f, "Arguments : \n");  in usage()
122 …DISPLAY_F(f, " -#     : # compression level (1-%d, default: %d) \n", ZSTDCLI_CLEVEL_MAX, ZSTDCLI_C…  in usage()
125     DISPLAY_F(f, " -d     : decompression \n");  in usage()
127     DISPLAY_F(f, " -D DICT: use DICT as Dictionary for compression or decompression \n");  in usage()
128     DISPLAY_F(f, " -o file: result stored into `file` (only 1 output file) \n");  in usage()
129     DISPLAY_F(f, " -f     : overwrite output without prompting, also (de)compress links \n");  in usage()
130     DISPLAY_F(f, "--rm    : remove source file(s) after successful de/compression \n");  in usage()
131     DISPLAY_F(f, " -k     : preserve source file(s) (default) \n");  in usage()
132     DISPLAY_F(f, " -h/-H  : display help/long help and exit \n");  in usage()