Function prototype: Difference between revisions
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Ol functions is a first-class functions with dynamic arguments translation so no function prototypes is required. |
Ol functions is a first-class functions with dynamic arguments translation so no function prototypes is required. |
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=={{header|OxygenBasic}}== |
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<lang> |
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'DECLARE FUNCTION' ABBREVIATED TO '!' |
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! f() ' a procedure with no params |
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! f(int a) ' with 1 int param |
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! f(int *a) ' with 1 int pointer param |
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! f(int a, int b, inc c) ' with 3 int params |
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! f(int a,b,c) ' compaction with 3 int params |
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! f(string s, int a,b) ' with 1 string and 2 int params |
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! f() as string ' function returning a string |
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! f(string s) as string ' with 1 string param |
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! *f(string s) as string ' as a function pointer: @f=address |
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! f(string s, optional i) ' with opptional param |
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! f(string s = "Hello") ' optional param with default value |
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! f(int n, ...) ' 1 specific param and varargs |
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! f(...) ' any params or none |
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'TRADITIONAL BASIC DECLARATIONS |
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declare sub f( s as string, i as long, j as long) ' byref by default |
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declare function f( byref s as string, byval i as long, byval j as long) as string |
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'C-STYLE DECLARATIONS |
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void f(string *s, long i, long j) |
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string f(string *s, long i, long j) |
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'BLOCK DIRECTIVES FOR FUNCTION PROTOTYPES: |
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extern ' shareable stdcall functions |
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extern lib "xyz.dll" ' for accessing functions in xyz Dynamic Link Library |
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extern export ' functions to be exported if this is a DLL |
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extern virtual ' for accssing interfaces and other virtual classes |
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end extern ' revert to internal function mode |
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</lang> |
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=={{header|PARI/GP}}== |
=={{header|PARI/GP}}== |
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