fprintf            81 mkfs/mkfs.c        fprintf(stderr, "Usage: mkfs fs.img files...\n");
fprintf            14 user/cat.c           fprintf(2, "cat: write error\n");
fprintf            19 user/cat.c         fprintf(2, "cat: read error\n");
fprintf            36 user/cat.c           fprintf(2, "cat: cannot open %s\n", argv[i]);
fprintf            44 user/grep.c        fprintf(2, "usage: grep pattern [file ...]\n");
fprintf           227 user/grind.c           fprintf(2, "grind: pipe failed\n");
fprintf           231 user/grind.c           fprintf(2, "grind: pipe failed\n");
fprintf           241 user/grind.c             fprintf(2, "grind: dup failed\n");
fprintf           247 user/grind.c           fprintf(2, "grind: echo: not found\n");
fprintf           250 user/grind.c           fprintf(2, "grind: fork failed\n");
fprintf           259 user/grind.c             fprintf(2, "grind: dup failed\n");
fprintf           265 user/grind.c             fprintf(2, "grind: dup failed\n");
fprintf           271 user/grind.c           fprintf(2, "grind: cat: not found\n");
fprintf           274 user/grind.c           fprintf(2, "grind: fork failed\n");
fprintf            11 user/kill.c        fprintf(2, "usage: kill pid...\n");
fprintf             9 user/ln.c          fprintf(2, "Usage: ln old new\n");
fprintf            13 user/ln.c          fprintf(2, "link %s %s: failed\n", argv[1], argv[2]);
fprintf            35 user/ls.c          fprintf(2, "ls: cannot open %s\n", path);
fprintf            40 user/ls.c          fprintf(2, "ls: cannot stat %s\n", path);
fprintf            11 user/mkdir.c       fprintf(2, "Usage: mkdir files...\n");
fprintf            17 user/mkdir.c         fprintf(2, "mkdir: %s failed to create\n", argv[i]);
fprintf            11 user/rm.c          fprintf(2, "Usage: rm files...\n");
fprintf            17 user/rm.c            fprintf(2, "rm: %s failed to delete\n", argv[i]);
fprintf            80 user/sh.c          fprintf(2, "exec %s failed\n", ecmd->argv[0]);
fprintf            87 user/sh.c            fprintf(2, "open %s failed\n", rcmd->file);
fprintf           165 user/sh.c              fprintf(2, "cannot cd %s\n", buf+3);
fprintf           178 user/sh.c        fprintf(2, "%s\n", s);
fprintf           338 user/sh.c          fprintf(2, "leftovers: %s\n", s);
fprintf            32 user/user.h    void fprintf(int, const char*, ...) __attribute__ ((format (printf, 2, 3)));