DAY 17
WEEK 3
Manipulating Strings
Text data, which C stores in strings, is an important part of many programs. So
far, you have learned how a C program stores strings and how you can input
and output strings. C offers a variety of functions for other types of string
manipulations as well. Today you will learn- How to determine the length of a string
- How to copy and join strings
- Functions that compare strings
- How to search strings
- How to convert strings
- How to test characters
Determining String Length ................................................................................
You should remember from earlier lessons that, in C programs, a string is a
sequence of characters, with its beginning indicated by a pointer and its end
marked by the null character \0. At times, you need to know the length of a28 448201x-CH17 8/13/02 11:13 AM Page 481