re                 73 user/grep.c    match(char *re, char *text)
re                 75 user/grep.c      if(re[0] == '^')
re                 76 user/grep.c        return matchhere(re+1, text);
re                 78 user/grep.c        if(matchhere(re, text))
re                 85 user/grep.c    int matchhere(char *re, char *text)
re                 87 user/grep.c      if(re[0] == '\0')
re                 89 user/grep.c      if(re[1] == '*')
re                 90 user/grep.c        return matchstar(re[0], re+2, text);
re                 91 user/grep.c      if(re[0] == '$' && re[1] == '\0')
re                 93 user/grep.c      if(*text!='\0' && (re[0]=='.' || re[0]==*text))
re                 94 user/grep.c        return matchhere(re+1, text+1);
re                 99 user/grep.c    int matchstar(int c, char *re, char *text)
re                102 user/grep.c        if(matchhere(re, text))