[C][Pointer][Book] Understanding and Using C Pointer

pci is a variable	const int *pci
pci is a pointer variable	const int *pci
pci is a pointer variable to an integer	const int *pci
pci is a pointer variable to a contant integer	const int *pci

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int *pi = calloc(5,sizeof(int));

int *pi = malloc(5*sizeof(int));
memset(pi,0,5*sizeof(int));
Above two sentence are the same.

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Reference:

• [book] Understanding and Using C Pointers