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With the introduction of void * pointers in the ANSI/ISO C Standard, explicitly casting the result of a call to malloc() is no longer necessary and may even produce unexpected behavior if <stdlib.h> is not included.

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#include <stdlib.h>
/* ... */
char *p = malloc(10);

Exceptions

MEM02-EX1. The return value from malloc() may be cast in C code that needs to be compatible with C++, where explicit casts from void * are required.

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