19 lines
475 B
C
19 lines
475 B
C
#include <stdlib.h>
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/* size of "members", in bytes */
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#define SIZEOF_MEMB (sizeof(int))
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#define NMEMB 100
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int main()
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{
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int *ints = malloc(SIZEOF_MEMB*NMEMB);
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/* realloc can be used to increase or decrease an already
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allocated memory (same as malloc if ints is NULL) */
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ints = realloc(ints, sizeof(int)*(NMEMB+1));
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/* calloc set the memory to 0s */
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int *int2 = calloc(NMEMB, SIZEOF_MEMB);
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/* all use the same free */
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free(ints); free(int2);
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return 0;
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}
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