Mcol col.c /^main(argc, argv)$/ PUTC col.c /^#define PUTC(ch) \\$/ alloc_line col.c /^alloc_line()$/ flush_blanks col.c /^flush_blanks()$/ flush_line col.c /^flush_line(l)$/ flush_lines col.c /^flush_lines(nflush)$/ free_line col.c /^free_line(l)$/ usage col.c /^usage()$/ warn col.c /^warn(line)$/ wrerr col.c /^wrerr()$/ xmalloc col.c /^xmalloc(p, size)$/