SPL_BUFSIZ
for (i = 0; i < stb.st_size; i += SPL_BUFSIZ) {
amt = SPL_BUFSIZ;
char *av[15], buf[SPL_BUFSIZ];
while ((n = read(fi, buf, SPL_BUFSIZ)) > 0)
char buf[SPL_BUFSIZ], opt_c[4], opt_h[4], opt_n[4];
char buf[SPL_BUFSIZ];
rlen = read(STDOUT_FILENO, buf, MIN(SPL_BUFSIZ, size));