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Difference between realloc() and free()?
The free subroutine frees a block of memory previously allocated by the malloc subroutine. Undefined results occur if the Pointer parameter is not a valid pointer. If the Pointer parameter is a null value, no action will occur. The realloc subroutine changes the size of the block of memory pointed to by the Pointer parameter to the number of bytes specified by the Size parameter and returns a new...
SomGollakota
- Jun 13th, 2007
free() - releases the memory of the pointer passed as parameter, to the OS/application consumption. Using the pointer after free() will result in undefinded resultsrealloc() - used to resize the memor...
Roopesh Majeti
- May 27th, 2007
Mitra,as you mentioned that realloc will delete the existing memory and allocate the new memory . I tried it on solaris and following is found :1. If the new size allocated is less than the existing m...
