1Mcol col.c /^main(argc, argv)$/ 2PUTC col.c /^#define PUTC(ch) \\$/ 3alloc_line col.c /^alloc_line()$/ 4flush_blanks col.c /^flush_blanks()$/ 5flush_line col.c /^flush_line(l)$/ 6flush_lines col.c /^flush_lines(nflush)$/ 7free_line col.c /^free_line(l)$/ 8usage col.c /^usage()$/ 9warn col.c /^warn(line)$/ 10wrerr col.c /^wrerr()$/ 11xmalloc col.c /^xmalloc(p, size)$/ 12