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- /* Demonstrates the use of malloc() to allocate storage */
- /* space for string data. */
-
- #include <stdio.h>
- #include <stdlib.h>
-
- char count, *ptr, *p;
-
- main()
- {
- /* Allocate a block of 35 bytes. Test for success. */
- /* The exit() library function terminates the program. */
-
- ptr = malloc(35 * sizeof(char));
-
- if ( ptr == NULL )
- {
- puts("Memory allocation error.");
- exit(1);
- }
-
- /* Fill the string with values 65 through 90, */
- /* which are the ASCII codes for A-Z. */
-
- /* p is a pointer used to step through the string. */
- /* You want ptr to remain pointed at the start */
- /* of the string. */
-
- p = ptr;
-
- for (count = 65; count < 91 ; count++)
- *p++ = count;
-
- /* Add the terminating null character. */
-
- *p = '\0';
-
- /* Display the string on the screen. */
-
- puts(ptr);
- }
-