static void usage(const char *prog)
{
fprintf(stderr, "Usage: %s [-i format] [-o format] [-f from] [-t to] "
"[-l pos=value] [-c cfile] [-s prefix] [-C size] [-n] "
"[-p] [-v] [-V] file...\n",
prog);
static void usage(const char *prog)
{
fprintf(stderr, "Usage: %s [-i format] [-o format] [-f from] [-t to] "
"[-l pos=value] [-c cfile] [-s prefix] [-C size] [-n] "
"[-p] [-v] [-V] file...\n",
prog);