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C Programming Starter Kit 2.0
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SamsPublishing-CProgrammingStarterKit-v2.0-Win31.iso
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tyc
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list10_3.c
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C/C++ Source or Header
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1993-10-16
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906b
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42 lines
/* 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);
}