get rid of those pesky whitespaces

doc/stdlib/c.rst

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 .. function:: ccall((symbol, library) or function_pointer, ReturnType, (ArgumentType1, ...), ArgumentValue1, ...)
 
    Call function in C-exported shared library, specified by AbstractString or :Symbol. Note that the argument type tuple must be a literal tuple, and not a tuple-valued variable or expression. Alternatively, ccall may also be used to call a function pointer, such as one returned by dlsym. Each ``ArgumentValue`` to the ``ccall`` will be converted to the corresponding ``ArgumentType``, by automatic insertion of calls to ArgumentValue))``. (see also the documentation for each of these functions for further details). In most cases, this simply results in a call to `convert(ArgumentType, ArgumentValue)``
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 .. function:: cglobal((symbol, library)[, type=Void])
 
    Obtain a pointer to a global variable in a C-exported shared library, specified exactly as in ``ccall``.  Returns a supplied.  The values can be read or written by ``unsafe_load`` or
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 .. function:: cfunction(function::Function, ReturnType::Type, (ArgumentTypes...))
 
    Generate C-callable function pointer from Julia function. Type annotation of the return value in the callback function is a must for situations where Julia cannot infer the return type automatically. For example:
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 .. function:: unsafe_convert(T, x)
 
    Convert ``x`` to a value of type ``T`` In cases where ``convert`` would need to take a Julia object and turn it into a ``Ptr``, this function should be used to define and perform that conversion. Be careful to ensure that a julia reference to ``x`` exists as long as the result of this function will be used. Accordingly, the argument ``x`` to this function should never be an expression, only a variable name or field reference. For example, ``x=a.b.c`` is acceptable, but ``x=[a,b,c]`` is not. The ``unsafe`` prefix on this function indicates that using the result of this function after the ``x`` argument to this function is no longer accessible to the program may cause undefined behavior, including program corruption or segfaults, at any later time.
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 .. function:: cconvert(T, x)
 
    Convert ``x`` to a value of type ``T``, typically by calling In cases where ``x`` cannot be safely converted to ``T``, unlike from ``T``, which however is suitable for ``unsafe_convert`` to handle. Neither ``convert`` nor ``cconvert`` should take a Julia object and turn it into a ``Ptr``.
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 .. function:: unsafe_load(p::Ptr{T}, i::Integer)
 
    Load a value of type ``T`` from the address of the ith element expression ``p[i-1]``. The ``unsafe`` prefix on this function indicates that no validation is performed on the pointer ``p`` to ensure that it is valid. Incorrect usage may segfault your program or return garbage answers, in the same manner as C.
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 .. function:: unsafe_store!(p::Ptr{T}, x, i::Integer)
 
    Store a value of type ``T`` to the address of the ith element expression ``p[i-1] = x``. The ``unsafe`` prefix on this function indicates that no validation is performed on the pointer ``p`` to ensure that it is valid. Incorrect usage may corrupt or segfault your program, in the same manner as C.
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 .. function:: unsafe_copy!(dest::Array, do, src::Array, so, N)
 
    Copy ``N`` elements from a source array to a destination, starting at offset ``so`` in the source and ``do`` in the destination The ``unsafe`` prefix on this function indicates that no validation is performed to ensure that N is inbounds on either array. Incorrect usage may corrupt or segfault your program, in the same manner as C.
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 .. function:: unsafe_copy!(dest::Array, do, src::Array, so, N)
 
    Copy ``N`` elements from a source array to a destination, starting at offset ``so`` in the source and ``do`` in the destination The ``unsafe`` prefix on this function indicates that no validation is performed to ensure that N is inbounds on either array. Incorrect usage may corrupt or segfault your program, in the same manner as C.
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 .. function:: copy!(dest, do, src, so, N)
 
    Copy ``N`` elements from collection ``src`` starting at offset
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 .. function:: copy!(dest, do, src, so, N)
 
    Copy ``N`` elements from collection ``src`` starting at offset
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 .. function:: pointer(array[, index])
 
    Get the native address of an array or string element. Be careful to ensure that a julia reference to ``a`` exists as long as this pointer will be used. This function is ``unsafe`` like Calling ``Ref(array[, index])`` is generally preferable to this function.
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 .. function:: pointer_to_array(pointer, dims[, take_ownership::Bool])
 
    Wrap a native pointer as a Julia Array object. The pointer element type determines the array element type. ``own`` optionally specifies whether Julia should take ownership of the memory, calling ``free`` on the pointer when the array is no longer referenced.
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 .. function:: pointer_from_objref(object_instance)
 
    Get the memory address of a Julia object as a ``Ptr``. The existence of the resulting ``Ptr`` will not protect the object from garbage collection, so you must ensure that the object remains referenced for the whole time that the ``Ptr`` will be used.
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 .. function:: unsafe_pointer_to_objref(p::Ptr)
 
    Convert a ``Ptr`` to an object reference. Assumes the pointer refers to a valid heap-allocated Julia object. If this is not the case, undefined behavior results, hence this function is considered
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 .. function:: disable_sigint(f::Function)
 
    Disable Ctrl-C handler during execution of a function, for calling external code that is not interrupt safe. Intended to be called using ``do`` block syntax as follows:
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 .. function:: reenable_sigint(f::Function)
 
    Re-enable Ctrl-C handler during execution of a function. Temporarily reverses the effect of ``disable_sigint``.
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 .. function:: systemerror(sysfunc, iftrue)
 
    Raises a ``SystemError`` for ``errno`` with the descriptive string
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 .. data:: Ptr{T}