59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
#include <stdio.h>
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int main(int argc, char *argv[])
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{
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int areas[] = {10, 12, 13, 14, 20};
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char name[] = "Zed";
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char full_name[] = {
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'Z', 'e', 'd',
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' ', 'A', '.', ' ',
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'S', 'h', 'a', 'w', '\0'
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};
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// WARNING: On some systems you may have to change the
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// %ld in this code to a %u since it will use unsigned ints
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printf("The size of an int: %ld\n", sizeof(int));
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printf("The size of areas (int[]): %ld\n",
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sizeof(areas));
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printf("The number of ints in areas: %ld\n",
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sizeof(areas) / sizeof(int));
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printf("The first area is %d, then 2nd %d.\n",
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areas[0], areas[1]);
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areas[0] = 100;
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areas[2] = areas[1];
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printf("Now the first area is %d and the 3rd area is %d.\n",
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areas[0], areas[2]);
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printf("The size of char: %ld\n", sizeof(char));
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printf("The size of name (char[]): %ld\n",
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sizeof(name));
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printf("The number of chars: %ld\n",
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sizeof(name) / sizeof(char));
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printf("The size of full_name (char[]): %ld\n",
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sizeof(full_name));
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printf("The number of chars: %ld\n",
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sizeof(full_name) / sizeof(char));
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printf("name=\"%s\" and full_name=\"%s\"\n",
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name, full_name);
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printf("name[0] is %c.\n", name[0]);
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printf("full_name[7] is %c.\n", full_name[7]);
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name[0] = 'X';
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printf("Now name[0] is %c.\n", name[0]);
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full_name[7] = 'T';
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printf("Now full_name[7] is %c.\n", full_name[7]);
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printf("name=\"%s\" and full_name=\"%s\"\n",
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name, full_name);
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areas[2] = name[0];
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printf("First area is now name[0]: %%c=%c, %%d=%d.\n",
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areas[2], areas[2]);
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return 0;
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}
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