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Diff for /src/usr.bin/look/look.c between version 1.9 and 1.10

version 1.9, 2003/06/03 02:56:10 version 1.10, 2003/06/10 22:20:47
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 void     usage(void);  void     usage(void);
   
 int  int
 main(argc, argv)  main(int argc, char *argv[])
         int argc;  
         char *argv[];  
 {  {
         struct stat sb;          struct stat sb;
         int ch, fd, termchar;          int ch, fd, termchar;
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 }  }
   
 int  int
 look(string, front, back)  look(char *string, char *front, char *back)
         char *string, *front, *back;  
 {  {
         int ch;          int ch;
         char *readp, *writep;          char *readp, *writep;
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         while (p < back && *p++ != '\n');          while (p < back && *p++ != '\n');
   
 char *  char *
 binary_search(string, front, back)  binary_search(char *string, char *front, char *back)
         char *string, *front, *back;  
 {  {
         char *p;          char *p;
   
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  *      o front is before or at the first line to be printed.   *      o front is before or at the first line to be printed.
  */   */
 char *  char *
 linear_search(string, front, back)  linear_search(char *string, char *front, char *back)
         char *string, *front, *back;  
 {  {
         while (front < back) {          while (front < back) {
                 switch (compare(string, front, back)) {                  switch (compare(string, front, back)) {
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  * Print as many lines as match string, starting at front.   * Print as many lines as match string, starting at front.
  */   */
 void  void
 print_from(string, front, back)  print_from(char *string, char *front, char *back)
         char *string, *front, *back;  
 {  {
         for (; front < back && compare(string, front, back) == EQUAL; ++front) {          for (; front < back && compare(string, front, back) == EQUAL; ++front) {
                 for (; front < back && *front != '\n'; ++front)                  for (; front < back && *front != '\n'; ++front)
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  * "back" terminated).   * "back" terminated).
  */   */
 int  int
 compare(s1, s2, back)  compare(char *s1, char *s2, char *back)
         char *s1, *s2, *back;  
 {  {
         int ch;          int ch;
   
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 }  }
   
 void  void
 usage()  usage(void)
 {  {
         (void)fprintf(stderr, "usage: look [-df] [-t char] string [file]\n");          (void)fprintf(stderr, "usage: look [-df] [-t char] string [file]\n");
         exit(2);          exit(2);
Legend:
Removed from v.1.9  
changed lines
  Added in v.1.10