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malloc allocation

Discussion in 'C' started by answerme, Sep 20, 2011.

  1. answerme

    answerme New Member

    when I do

    Does the memory allocate of 10 bytes are in continuous memory area .
    Does malloc allocates memory conitinous
  2. xpi0t0s

    xpi0t0s Mentor

    Yes to both, although this is not good use of malloc. It allocates 10 bytes, but you should allocate N*sizeof(int) instead, where N is how many ints you want. If ints are 4 bytes on your system, this will allocate two and a half of them, of which only the first two are useful.
  3. raixyz

    raixyz Banned

    That is to say it returns a pointer of type void * that is the start in memory of the reserved portion of size number_of_bytes. If memory cannot be allocated a NULL pointer is returned.

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