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Answer to Exercise 2-5, page 48 Solution 1 by Richard Heathfield Solution 2 by Partha Seetala Write the function any(s1,s2) , which returns the first location in the string s1 where any character from the string s2 occurs, or -1 if s1 contains no characters from s2 . (The standard library function strpbrk does the same job but returns a pointer to the location.) Here is my solution, which is ver..

Answer to Exercise 2-4, page 48 Solution by Richard Heathfield Write an alternate version of squeeze(s1,s2) that deletes each character in the string s1 that matches any character in the string s2 . /* * Exercise 2-4 Page 48 * * Write an alternate version of squeeze(s1,s2) that deletes each * character in s1 that matches any character in the string s2. * */ /* squeeze2: delete all characters occ..

Answer to Exercise 2-3, page 46 Solutions by Richard Heathfield and Marshall S McLeish Write the function htoi(s) , which converts a string of hexadecimal digits (including an optional 0x or 0X) into its equivalent integer value. The allowable digits are 0 through 9, a through f, and A through F . Here's my solution: /* Write the function htoi(s), which converts a string of hexadecimal * digits ..

Answer to Exercise 2-2, page 42 Solutions by "Flippant Squirrel" :-) and Craig Schroeder Exercise 2-2 discusses a for loop from the text. Here it is: for(i=0; i

Answer to Exercise 2-1, page 36 Category 0 Solution by Rick Dearman - with corrections by Russ Bobbitt, marked /* RB */ and by Stefan Farfeleder, marked /* SF */ Write a program to determine the ranges of char , short , int , and long variables, both signed and unsigned , by printing appropriate values from standard headers and by direct computation. Harder if you compute them: determine the ran..

Answer to Exercise 1-24, page 34 Category 0 Solution by Rick Dearman Category 1 Solutions by Stefan Farfeleder and Stig Brautaset Write a program to check a C program for rudimentary syntax errors like unbalanced parentheses, brackets and braces. Don't forget about quotes, both single and double, escape sequences, and comments. (This program is hard if you do it in full generality.) Rick Dearman..

Answer to Exercise 1-23, page 34 Solutions by Rick Dearman Ben Pfaff (two solutions) Lew Pitcher Gregory Pietsch Chris Torek Chris Mears Critique by Rick Litherland (see end of page) Write a program to remove all comments from a C program. Don't forget to handle quoted strings and character constants properly. C comments do not nest. This was the first exercise to be posted as a fun "competition..

Answer to Exercise 1-22, page 34 Solution by Rick Dearman Write a program to "fold" long input lines into two or more shorter lines after the last non-blank character that occurs before the n -th column of input. Make sure your program does something intelligent with very long lines, and if there are no blanks or tabs before the specified column. Category 1 Solution /****************************..

Answer to Exercise 1-21, page 34 Category 0 Solution by Rick Dearman Category 1 Solution by Stefan Farfeleder Write a program entab that replaces strings of blanks with the minimum number of tabs and blanks to achieve the same spacing. Use the same stops as for detab . When either a tab or a single blank would suffice to reach a tab stop, which should be given preference? Rick Dearman's Cat 0 so..

Answer to Exercise 1-20, page 34 Solution by Richard Heathfield Thanks to Rick Dearman for pointing out that my solution used fgets() which has not been introduced by page 34. I've fixed the solution to use K&R's getline() function instead. Further thanks to Roman Yablonovsky who, in Oct 2000, pointed out that the solution was buggy, and hinted at a fix. Basically, the problem he spotted was tha..