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1.1 ! root 1: ! 2: ! 3: NULL Definition NULL ! 4: ! 5: ! 6: ! 7: ! 8: NULL is defined in the header file stddef.h. It is the null ! 9: pointer (cchhaarr *)00, which is a pointer initialized to zero. ! 10: Numerous routines return this value to indicate failure; it is ! 11: useful as a return value because it points nowhere, and so ! 12: removes the possibility of accidentally destroying a section of ! 13: memory after failure. ! 14: ! 15: ***** See Also ***** ! 16: ! 17: definitions, pointer, stdio.h ! 18: ! 19: ! 20: ! 21: ! 22: ! 23: ! 24: ! 25: ! 26: ! 27: ! 28: ! 29: ! 30: ! 31: ! 32: ! 33: ! 34: ! 35: ! 36: ! 37: ! 38: ! 39: ! 40: ! 41: ! 42: ! 43: ! 44: ! 45: ! 46: ! 47: ! 48: ! 49: ! 50: ! 51: ! 52: ! 53: ! 54: ! 55: ! 56: ! 57: ! 58: ! 59: ! 60: ! 61: ! 62: ! 63: ! 64: COHERENT Lexicon Page 1 ! 65: ! 66:
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