Sams Teach Yourself C in 21 Days
Write a program that initializes an array of 10 elements. Each element should be equal to its subscript. The program should the ...
DAY 9 WEEK 2 Understanding Pointers Today’s lesson introduces you to pointers, an important part of the C language. Pointers pro ...
What Is a Pointer? .............................................................................................. To understand ...
Understanding Pointers 197 9 The next step is to store the address of the variable ratein the variable p_rate. Because p_ratenow ...
char *ch1, *ch2; /* ch1 and ch2 both are pointers to type char */ float *value, percent; /* value is a pointer to type float, an ...
Understanding Pointers 199 9 In C, these two statements are equivalent. Accessing the contents of a variable by using the variab ...
15: /* Initialize ptr to point to var */ 16: 17: ptr = &var; 18: 19: /* Access var directly and indirectly */ 20: 21: printf ...
Understanding Pointers 201 9 Pointers and Variable Types ....................................................................... ...
Pointers and Arrays ............................................................................................ Pointers can be ...
Understanding Pointers 203 9 Becausep_arrayis a pointer variable, it can be modified to point elsewhere. Unlike the array name ( ...
address of the first element of the array xis equal to 1000 .” Line 3 shows that the address of the second element (subscripted ...
Understanding Pointers 205 9 27: printf(“\n================================”); 28: printf(“========================\n”); 29: 30: ...
Pointer Arithmetic ........................................................................................ You have a pointer t ...
Understanding Pointers 207 9 Decrementing Pointers The same concepts that apply to incrementing pointers hold true for decrement ...
0 0.000000 1 0.100000 2 0.200000 3 0.300000 4 0.400000 5 0.500000 6 0.600000 7 0.700000 8 0.800000 9 0.900000 In this program, a ...
Understanding Pointers 209 9 Other Pointer Manipulations The other pointer arithmetic operation that you will want to use is cal ...
Decrementing You can subtract an integer from a pointer in order to point to a dif- ferent memory location. Differencing You can ...
Understanding Pointers 211 9 Array Subscript Notation and Pointers ............................................................. ...
have a pointer to an array, and that pointer is a single numeric value (the address of the array’s first element). If you pass t ...
Understanding Pointers 213 9 15: for (count = 0; count < MAX; count++) 16: { 17: printf(“Enter an integer value: “); 18: scan ...
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