C

C Program to demonstrate isalpha, isdigit, is space.

Posted on by Sandeepa Nadahalli

C Program to demonstrate the following functions:isalpha, isdigit, isspace.The same principles apply to isalnum, iscntrl, isgraph,islower, isprint, ispunct, isupper, isxdigit.In the standard library ctype.h all the above functions are declared.All the subroutines mentioned here, returns non zero(true), If the checked argument is true for the respective subroutines. Read more about C Programming Language . /************************************************************ …

K&R C Programs Exercise 7-2

Posted on by Sandeepa Nadahalli

Exercise 7-2. Write a program that will print arbitrary input in a sensible way. As a minimum it should print non-graphic characters in octal or hex (according to local custom), and fold long lines. The rules: Printable characters (isprint) pass through as-is \n resets the column counter; \t and other non-printable characters are shown as …

K&R C Programs Exercise 5-19

Posted on by Sandeepa Nadahalli

Exercise 5-19. Modify undcl so that it does not add redundant parentheses to expressions. K&R’s undcl (Section 5.12) converts English descriptions back into C declarations. The original adds parentheses around every pointer-to-function construct, even when they are not needed. A pointer to a function needs parentheses — int (*fp)(); a simple pointer does not — …

K&R C Programs Exercise 5-15

Posted on by Sandeepa Nadahalli

Exercise 5-15. Add the option -f to fold upper and lower case together, so that case distinctions are not made during sorting; for example, a and A compare equal. Add a fold flag. When set, the comparison function converts both characters to lowercase before comparing. The key: don’t modify the strings themselves — do the …

C Program to demonstrate strpbrk function.

Posted on by Sandeepa Nadahalli

Write C programt to demonstrate strpbrk function.strpbrk function locate the first occurrence pointed by the of string s1 from the string pointed to by s2. In this program, We Turns miscellaneous field separators into just a space separating tokens for easy parsing by SSCANF. Eventually, the character separators and replacement character will be passed in …

C Program to demonstrate sscanf statement.

Posted on by Sandeepa Nadahalli

C Program to demonstrate the ‘sscanf’ statement.sscanf statement reads formatted data from the string, Different syntax of sscanf are:A = sscanf(str, format)A = sscanf(str, format, sizeA)[A, count] = sscanf(…)[A, count, errmsg] = sscanf(…)[A, count, errmsg, nextindex] = sscanf(…).Read more about C Programming Language . /************************************************************ You can use all the programs on www.c-program-example.com* for personal …