C Programming for the Absolute Beginner phần 3 pptx

... occurred because after the appropriate case statement is matched to the switch variable, the switch structure continues processing each case statement thereafter. 72 C Programming for the ... 'a' ) Checking for a Range of Values Checking for a range of values is a common programming practice for input validation. You can use compound conditions and relati...

Ngày tải lên: 05/08/2014, 09:45

... C Programming for the Absolute Beginner, Second Edition 208 The character-handling library <ctype.h> provides many character manipulation functions such as tolower() and toupper(). These ... library function is the strcat() function, which concatenates or glues one string to another. To concatenate is to glue one or more pieces of data together or to connect one or mor...

Ngày tải lên: 05/08/2014, 09:45

... follows the backslash. In this case, the next character is the character n. Together, the backslash (\) and n characters make up an escape sequence. Escape Sequences This particular escape sequence ... escape characters or escape sequences. The backslash character ( \) is the escape character. When the printf() statement shown above is executed, the program looks forward to...

Ngày tải lên: 05/08/2014, 09:45

... 3. 1 234 56); printf("\n%.4f", 3. 1 234 56); printf("\n%.5f", 3. 1 234 56); printf("\n%.6f", 3. 1 234 56); The preceding code block produces the following output: 3. 1 3. 12 3. 1 23 3.1 234 3. 1 234 5 3. 1 234 56 Notice ... through the ASCII (American Standard Code for Information Interchange) character set. For a listing of common ASCII chara...

Ngày tải lên: 05/08/2014, 09:45

... balance At least four occasions require you to access the customer’s balance. Writing code structures every time you need to access someone’s balance doesn’t make sense, because you can write C Programming ... times, you are correct. Figure 4.11 depicts the preceding for loop’s execution. FIGURE 4.11 Illustrating the for loop. 100 C Programming for the Absolute Beginn...

Ngày tải lên: 05/08/2014, 09:45

... function calls. printReportHeader; //Incorrect function call printReportHeader(); //Correct function call The first function call will not cause a compile error but will fail to execute the function ... lowercase Character handling toupper() Converts character to uppercase Mathematics exp() Computes the exponential Mathematics pow() Computes a number raised to a power Mathematics sqrt()...

Ngày tải lên: 05/08/2014, 09:45

... use the indirection operator ( *), which tells C that I want to access the contents of the memory location contained in the pointer variable. Specifically, I increment the original variable contents ... humans. • Cryptogram—An encrypted or protected message. • Cryptographer—A person or specialist who practices encrypting or protecting messages. • Encryption The process by which c...

Ngày tải lên: 05/08/2014, 09:45

... memory. Specifically, this chapter covers the following topics: • Memory concepts continued • sizeof • malloc() • calloc() • realloc() MEMORY CONCEPTS CONTINUED This chapter is dedicated to discussing ... <stdlib.h> function calloc() . Like the malloc() function, the calloc() function attempts to grab contiguous segments of mem- ory from the heap. The calloc() functio...

Ngày tải lên: 05/08/2014, 09:45

... preprocessor techniques and concepts such as symbolic constants, macros, function headers, and definition files. Specifically, this chapter covers the following topics: • Introduction to the C preprocessor • ... replaces all occurrences of the constant name found in the source code with its definition, in this case 7 . Remember, this is a preprocessor directive, so the process of...

Ngày tải lên: 05/08/2014, 09:45

... 241–2 43 mblen( ) function, 30 2 mbstowcs( ) function, 30 2 mbtowc( ) function, 30 2 memchr( ) function, 30 3 memcmp( ) function, 30 3 memcpy( ) function, 30 3 memmove( ) function, 30 3 memory address, ... 195 character data types, with printf( ) function, 35 36 ./ character sequence, 17 character strings, 234 , 254 character variables, 30 characters, 30 31 , 186 checkForWin( ) f...

Ngày tải lên: 05/08/2014, 09:45