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| 1<html> 2<head> 3 <title>libsm : C Language Portability Macros</title> 4</head> 5<body> 6 7<a href="index.html">Back to libsm overview</a> 8 9<center> 10 <h1> libsm : C Language Portability Macros </h1> | 1<html> 2<head> 3 <title>libsm : C Language Portability Macros</title> 4</head> 5<body> 6 7<a href="index.html">Back to libsm overview</a> 8 9<center> 10 <h1> libsm : C Language Portability Macros </h1> |
| 11 <br> $Id: cdefs.html,v 1.2 2000/12/07 17:33:09 dmoen Exp $ | 11 <br> $Id: cdefs.html,v 1.1.1.1 2002/02/17 21:56:43 gshapiro Exp $ |
| 12</center> 13 14<h2> Description </h2> 15 16The header file <tt><sm/cdefs.h></tt> 17defines portable interfaces to non-portable features 18of various C compilers. 19It also assists you in writing C header files that are compatible --- 61 unchanged lines hidden (view full) --- 81<tt> SM_UNUSED(variable_declaration) </tt> 82<dd> 83 This macro modifies a definition of an unused 84 local variable, global variable or function parameter 85 in order to suppress compiler warnings. 86 Examples: 87 88<blockquote><pre> | 12</center> 13 14<h2> Description </h2> 15 16The header file <tt><sm/cdefs.h></tt> 17defines portable interfaces to non-portable features 18of various C compilers. 19It also assists you in writing C header files that are compatible --- 61 unchanged lines hidden (view full) --- 81<tt> SM_UNUSED(variable_declaration) </tt> 82<dd> 83 This macro modifies a definition of an unused 84 local variable, global variable or function parameter 85 in order to suppress compiler warnings. 86 Examples: 87 88<blockquote><pre> |
| 89SM_UNUSED(static const char Id[]) = "@(#)$Id: cdefs.html,v 1.2 2000/12/07 17:33:09 dmoen Exp $"; | 89SM_UNUSED(static const char Id[]) = "@(#)$Id: cdefs.html,v 1.1.1.1 2002/02/17 21:56:43 gshapiro Exp $"; |
| 90void 91foo(x) 92 SM_UNUSED(int x); 93{ 94 SM_UNUSED(int y) = 0; 95 return 0; 96} 97void 98bar(SM_UNUSED(int x)) 99{ 100 return 0; 101} 102</pre></blockquote> 103 104</dl> 105 106</body> 107</html> | 90void 91foo(x) 92 SM_UNUSED(int x); 93{ 94 SM_UNUSED(int y) = 0; 95 return 0; 96} 97void 98bar(SM_UNUSED(int x)) 99{ 100 return 0; 101} 102</pre></blockquote> 103 104</dl> 105 106</body> 107</html> |